The right motorcycle gear backpack has to juggle three jobs that ordinary backpacks fail at: carrying a full-face helmet when you’re off the bike, surviving weather at highway speed, and staying comfortable under riding posture. After comparing 13 of the most popular options, the KEMIMOTO 37L with USB Charging Port and Rain Cover stands out as my best overall pick because it balances large capacity, real weather protection, and commuter-friendly details at a fair price. Riders who want maximum storage should look at the Oumurs 50L Expandable, while the KEMIMOTO 22L Hardshell is the strongest choice for daily commuters who prioritize a laptop compartment and a rigid shell. The main tradeoff in this category is capacity versus comfort — big 40L+ packs swallow gear but sit tall and catch wind, while compact hardshells ride stable but limit what you can carry. Keep reading for the full breakdown, including who each pack is for and which ones to skip.
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Key Takeaways
- Capacity claims are unreliable across this category — several ’40L+’ packs only reach their stated size when fully expanded, while the Oumurs 50L genuinely delivers its rated volume, which is why it wins for storage-hungry riders.
- Only three packs in this lineup include a true hard shell (the KEMIMOTO 22L and the Carbon Fiber Light Version); every soft-sided option here depends on a rain cover for serious weather, not just water-resistant fabric.
- Reflective detailing emerged as the biggest differentiator for commuters: the two Riderbag Hi Viz models out-reflect everything else here, but they trade away helmet-carrying capacity to do it.
- The KEMIMOTO family dominates the middle of this ranking because it’s the only brand offering a coherent size ladder (22L, 35L, 37L), letting riders match capacity to their actual commute instead of overbuying.
- Several generic no-name entries (the 40L Helmet Holder pack and the unbranded 45L) matched name-brand features on paper but showed weaker strap hardware and zippers, which is why they rank below similarly priced branded options.
| Oumurs Motorcycle Helmet Backpack 50L, Expandable, Water-Resistant with Rain Cover, USB Port, Large Capacity |  | Best Overall | Capacity: 50L | Material: 1680D Oxford fabric | Water Resistance: Water-resistant with included rain cover | VIEW LATEST PRICE | See Our Full Breakdown |
| 45L Waterproof Motorcycle Helmet Backpack for Men |  | Best for Full Gear Hauling | Capacity: 45L | Material: 900D Oxford & Polyester | Water Resistance: Water-resistant fabric | VIEW LATEST PRICE | See Our Full Breakdown |
| Large Capacity Helmet Backpack for Motorcycle and Cycling |  | Best Value | Material: 100% Nylon | Dimensions: 11.8″L x 6.7″W x 18.5″H | Weight: 2.86 lbs | VIEW LATEST PRICE | See Our Full Breakdown |
| KEMIMOTO Motorcycle Helmet Backpack, 35L Storage Bag with Expandable Hidden Net for Full Face Helmet |  | Best for Commuters | Capacity: 35L | Helmet Fit: Full face helmet compatible | Helmet Storage: Dedicated helmet holder | VIEW LATEST PRICE | See Our Full Breakdown |
| Motorcycle Backpack Waterproof Large Capacity Carbon Fiber Rider Backpack Hard Shell Reflective Motorbike Travel Suitcase Light Version (Black) |  | Best Premium Protection | Material: Carbon fiber | Design: Hard shell | Capacity: Large | VIEW LATEST PRICE | See Our Full Breakdown |
| Riderbag Reflective Motorcycle Backpack, Hi Viz Commuter Riding Bag |  | Best Hi-Viz Visibility Pick | Capacity: 35L | Visibility: Hi-viz reflective panels | Helmet Carry: Includes helmet holder | VIEW LATEST PRICE | See Our Full Breakdown |
| Riderbag Reflective Motorcycle Backpack, Hi Viz Commuter Riding Bag |  | Best Daily Commuter Comfort | Capacity: 35L | Visibility: Hi-viz reflective panels | Laptop Storage: Dedicated compartment | VIEW LATEST PRICE | See Our Full Breakdown |
| KEMIMOTO Motorcycle Backpack, Hardshell Helmet Backpack 22L Carbon Fiber Reflective Riding Bag |  | Best Compact Hardshell Protection | Capacity: 22L | Dimensions: 20 x 14 x 7 inches | Expandable Length: 7.09 inches | VIEW LATEST PRICE | See Our Full Breakdown |
| Motorcycle Backpack with Helmet Holder, 40L Water-Resistant Riding Backpack |  | Best Overall | Capacity: 40L | Material: Water-resistant polyester and nylon, GRS-certified recycled | Helmet Compatibility: Full-face, modular, open-face, off-road, rally | VIEW LATEST PRICE | See Our Full Breakdown |
| Motorcycle Backpack Helmet Bags, Large Capacity Waterproof Helmet Backpack for Men |  | Best Budget Multi-Sport Option | Dimensions: 13″L x 8.2″W x 18.5″H | Weight: 2.5 lbs | Material: High-density nylon fabric | VIEW LATEST PRICE | See Our Full Breakdown |
| Motorcycle Backpack Waterproof Helmet Seat Bag Tail Bag for Men and Women |  | Best Budget Rain-Ready Pick | Capacity: Fits most motorcycle helmets, 15-16 inch laptops, sports gear | Material: Waterproof fabric with waterproof zipper | Compartments: 1 main pocket, 3 additional compartments | VIEW LATEST PRICE | See Our Full Breakdown |
| KEMIMOTO Motorcycle Helmet Backpack, 37L Large Capacity with USB Charging Port and Rain Cover |  | Best for Touring and Long Rides | Capacity: 37L | Material: Wear-resistant polyester | Charging: External USB charging port (power bank required) | VIEW LATEST PRICE | See Our Full Breakdown |
| Motorcycle Backpack for Men and Women, Waterproof Helmet Bag, Bookbag for Riding and Outings |  | Best Everyday Commuter Value | Dimensions: 50 × 36 × 20 cm | Material: High-density tear-resistant nylon | Capacity: Fits most motorcycle helmets and 15-inch devices | VIEW LATEST PRICE | See Our Full Breakdown |
| motorcycle gear backpack | Capacity | Material |
|---|---|---|
| Oumurs Motorcycle Helmet Backp | 50L | 1680D Oxford fabric |
| 45L Waterproof Motorcycle Helm | 45L | 900D Oxford & Polyester |
| Large Capacity Helmet Backpack | — | 100% Nylon |
| KEMIMOTO Motorcycle Helmet Bac | 35L | Not specified by manufacturer |
| Motorcycle Backpack Waterproof | Large | Carbon fiber |
| Riderbag Reflective Motorcycle | 35L | — |
| Riderbag Reflective Motorcycle | 35L | — |
| KEMIMOTO Motorcycle Backpack | 22L | Carbon fiber hardshell, waterproof |
| Motorcycle Backpack with Helme | 40L | Water-resistant polyester and nylon, GRS-certified recycled |
| Motorcycle Backpack Helmet Bag | — | High-density nylon fabric |
| Motorcycle Backpack Waterproof | Fits most motorcycle helmets, 15-16 inch laptops, sports gear | Waterproof fabric with waterproof zipper |
| KEMIMOTO Motorcycle Helmet Bac | 37L | Wear-resistant polyester |
| Motorcycle Backpack for Men an | Fits most motorcycle helmets and 15-inch devices | High-density tear-resistant nylon |
More Details on Our Top Picks
Oumurs Motorcycle Helmet Backpack 50L, Expandable, Water-Resistant with Rain Cover, USB Port, Large Capacity
This option stands out for the broadest balance of capacity, protection, and comfort in this batch. The 50L expandable main compartment out-hauls the 45L Waterproof Motorcycle Helmet Backpack while adding a rain cover and USB port the KEMIMOTO 35L lacks, which makes it the most complete package for riders who commute and tour. Compared with the Carbon Fiber Hard Shell backpack, the 1680D Oxford fabric trades rigid impact protection for softer, more forgiving carry when stuffed full of gear. The dual-holding system for helmets is genuinely useful at destination stops. The tradeoff: fully expanded, it becomes bulky on a bike, so shorter riders may find it overwhelms a small frame at highway speeds.
Pros:- Largest expandable capacity in this batch at 50L
- Rain cover included, not just water-resistant fabric
- USB port keeps devices charged on long rides
- Ergonomic padded straps stay comfortable fully loaded
Cons:- Bulky and unwieldy when fully expanded
- Very limited color options
Best for: Riders who commute and take overnight trips and need one bag to do both
Not ideal for: Short daily commuters who want a slim profile — 50L expanded is more bag than a city run requires
- Capacity:50L
- Material:1680D Oxford fabric
- Water Resistance:Water-resistant with included rain cover
- Helmet Carry:Dual-holding system for helmets and balls
- Charging:External USB port
- Straps:Ergonomic padded shoulder straps
- Organization:Multiple compartments
Our verdict“If you can only buy one bag for commuting plus weekend trips, this is the most versatile pick here.”
45L Waterproof Motorcycle Helmet Backpack for Men
This model is better suited to riders who carry a helmet plus a jacket and layers, not just a laptop and lunch. Its 900D Oxford and polyester build feels tougher than the nylon on the Large Capacity Helmet Backpack, and the adjustable chest strap and waist belt do more to stabilize heavy loads than the simpler strap setups elsewhere in this roundup. It trails the Oumurs 50L on features — no rain cover, no USB — but edges it on load-bearing comfort for long rides. The lack of published dimensions is a real annoyance: buyers can’t verify helmet fit before ordering, which matters when the whole point is carrying a full-face lid.
Pros:- Chest strap and waist belt stabilize heavy loads well
- Tear-resistant 900D fabric is durable for daily abuse
- Breathable padding reduces back sweat on long rides
- Genuinely fits full-face helmets plus a jacket
Cons:- No published dimensions to verify helmet or load fit
- No rain cover despite water-resistant fabric
- Very limited color options
Best for: Riders who haul a full-face helmet, jacket, and extra layers on longer trips
Not ideal for: Daily commuters with light loads — the harness system is overkill and the bag runs bulky
- Capacity:45L
- Material:900D Oxford & Polyester
- Water Resistance:Water-resistant fabric
- Helmet Fit:Accommodates full-face helmets
- Adjustability:Highly adjustable straps, chest strap, waist belt
- Comfort:Breathable padding
Our verdict“The strongest choice here for hauling a complete kit, provided you’re comfortable buying without exact dimensions.”
Large Capacity Helmet Backpack for Motorcycle and Cycling
For budget-conscious buyers, this pick makes the most sense because it covers the fundamentals — durable nylon, organized storage, reflective piping — without the premium pricing of feature-loaded rivals. It’s lighter at 2.86 lbs than most big-capacity bags in this roundup, and unlike the KEMIMOTO 35L, it publishes real dimensions, so buyers know exactly what they’re getting. The reflective piping is a smart safety touch that cheaper bags usually skip. Where it falls short of the Oumurs 50L is weather protection: there’s no rain cover, so sustained downpours will test the water-resistant nylon. It also doesn’t specify helmet size compatibility, so full-face helmet owners should measure before buying.
Pros:- Published dimensions and weight take the guesswork out of ordering
- Reflective piping adds visibility for night riding
- Multiple compartments keep gear organized
- Lighter than most large-capacity competitors at 2.86 lbs
Cons:- No rain cover for heavy weather
- Helmet size compatibility not specified
- Can feel bulky for everyday commuting
Best for: Students and casual riders who want organized gear storage on a budget
Not ideal for: All-weather commuters — no rain cover means heavy rain is a gamble with electronics inside
- Material:100% Nylon
- Dimensions:11.8″L x 6.7″W x 18.5″H
- Weight:2.86 lbs
- Helmet Carry:Expandable helmet straps
- Safety:Reflective piping
- Back Panel:Breathable sponge mesh
- Organization:Multiple compartments
Our verdict“A sensible, well-priced choice for riders who mostly ride in fair weather and want honest, verifiable specs.”
KEMIMOTO Motorcycle Helmet Backpack, 35L Storage Bag with Expandable Hidden Net for Full Face Helmet
At 35L, this sits in the sweet spot between the oversized Oumurs 50L and smaller hardshell options — enough for a helmet, laptop, and daily essentials without swallowing your whole back. The hidden expandable net is the clever bit: stash it away for a clean commuter profile on weekdays, deploy it for a helmet or jacket on weekend rides. The dedicated helmet compartment protects headgear better than the general-purpose pockets on the Large Capacity Helmet Backpack. The honest weakness is vagueness: no material spec, no dimensions, and no waterproofing claims, so compared with the Oumurs, buyers are trusting the brand rather than the spec sheet — a real risk if you ride in wet climates.
Pros:- 35L hits the commuter sweet spot without excess bulk
- Hidden expandable net adds flexible overflow storage
- Dedicated helmet compartment protects headgear
- Clean, versatile design works off the bike too
Cons:- No material specifications disclosed
- Dimensions not provided
- No waterproofing claims or rain cover
Best for: Daily commuters who need laptop-and-lunch capacity with weekend helmet duty
Not ideal for: Wet-climate riders — with no waterproof rating or rain cover, gear protection is unverified
- Capacity:35L
- Helmet Fit:Full face helmet compatible
- Helmet Storage:Dedicated helmet holder
- Expandability:Hidden expandable net
- Material:Not specified by manufacturer
- Dimensions:Not specified by manufacturer
Our verdict“The best-balanced commuter bag in this batch, if you can live without weatherproof guarantees.”
Motorcycle Backpack Waterproof Large Capacity Carbon Fiber Rider Backpack Hard Shell Reflective Motorbike Travel Suitcase Light Version (Black)
This is the pick for riders whose priority is protecting fragile cargo. The carbon fiber hard shell guards laptops and cameras in a way no soft bag here can match — drop the Oumurs 50L and your gear absorbs the impact; drop this and the shell does. Full waterproofing plus reflective material makes it the most weather- and night-ready option in the batch, and the light version keeps weight manageable. The significant limitation: it won’t fit a full-face helmet, which immediately disqualifies it for riders who need helmet carry — the KEMIMOTO 35L handles that job better. You also give up the expandability and packing flexibility of soft bags, so overpackers will find the rigid interior unforgiving.
Pros:- Fully waterproof construction, not just water-resistant
- Hard shell protects fragile contents from impacts
- Reflective material improves night visibility
- Lightweight for a hard-shell design
Cons:- Cannot fit a full-face helmet
- Rigid interior limits packing flexibility
- Black-only colorway with no alternatives
Best for: Riders carrying laptops, cameras, or fragile gear who want maximum impact and rain protection
Not ideal for: Riders who need to stash a full-face helmet in the bag — the hard shell interior can’t accommodate one
- Material:Carbon fiber
- Design:Hard shell
- Capacity:Large
- Waterproofing:Fully waterproof
- Visibility:Reflective material
- Weight:Lightweight construction
- Color:Black
Our verdict“Buy this for gear protection and weatherproofing, not helmet hauling — it’s the armored briefcase of this lineup.”
Riderbag Reflective Motorcycle Backpack, Hi Viz Commuter Riding Bag
This version of the Riderbag stands out for one thing above all: being seen. The hi-viz reflective panels are the core selling point, and for urban riders who split lanes at dusk or ride in low-light conditions, that visibility translates directly into safety margins. Compared with the KEMIMOTO hardshell model, this soft-sided bag sacrifices impact protection but gains a lighter, more ergonomic feel that won’t fatigue your shoulders on longer commutes. The 35L capacity matches its sibling, the Riderbag laptop commuter version (B07SJV8RNR), though this one skips the dedicated water pockets. The tradeoff is real: this is a commuter-first design, and riders wanting a do-everything adventure bag will find the 40L recycled-materials backpack (B0H21P6PRD) more versatile.
Pros:- Hi-viz reflective panels dramatically improve day and night visibility
- Lightweight ergonomic build reduces shoulder fatigue on long commutes
- 35L capacity with multiple compartments handles daily essentials plus a helmet
- Weather-resistant materials shrug off typical commuter conditions
Cons:- Soft-sided construction offers no impact protection for fragile cargo
- Very commuter-focused design with limited versatility for other riding styles
- No dedicated water bottle pockets unlike its sibling model
Best for: Urban commuters who ride in low light and want maximum visibility without carrying extra weight
Not ideal for: Adventure riders or tourers who need hardshell protection and rugged all-weather capacity
- Capacity:35L
- Visibility:Hi-viz reflective panels
- Helmet Carry:Includes helmet holder
- Back Panel:Ventilated padding
- Straps:Adjustable
- Weather Protection:Water-resistant materials
Our verdict“Buy this if visibility on dark commutes is your top safety priority and you don’t need hardshell protection.”
Riderbag Reflective Motorcycle Backpack, Hi Viz Commuter Riding Bag
Think of this as the fully-loaded commuter edition of the Riderbag line. It shares the same 35L capacity and hi-viz reflective panels as its sibling (B08PL38VNY), but adds laptop storage and two water bottle pockets — small additions that change the daily-use experience considerably. Riders who commute to an office will notice the difference: no more choosing between hydration and organized cargo. Compared with the KEMIMOTO 22L hardshell, this soft bag carries more and sits more comfortably against the back, though it gives up the rigid protection a hardshell offers electronics. The honest drawback is weight; when you fill 35L with a laptop, tools, and layers, the lack of a load-bearing frame becomes apparent on longer rides. Ventilated back padding helps, but physics still applies.
Pros:- Dedicated laptop storage makes it a true work-commuter bag
- Two water bottle pockets keep hydration accessible without unpacking
- Hi-viz reflective panels for safety in both daylight and darkness
- Ergonomic design with ventilated padding suited to daily rides
Cons:- Can feel heavy and unwieldy when fully loaded, with no frame to distribute weight
- Soft construction offers minimal protection for fragile items
- Commuter-centric design limits appeal for touring or off-road use
Best for: Office commuters who carry a laptop, water, and gear daily and prioritize comfort plus visibility
Not ideal for: Riders hauling heavy loads long distances — no frame support means a fully loaded bag gets tiring
- Capacity:35L
- Visibility:Hi-viz reflective panels
- Laptop Storage:Dedicated compartment
- Water Pockets:2 external bottle pockets
- Helmet Carry:Includes helmet holder
- Back Panel:Ventilated padding
- Weather Protection:Water-resistant materials
Our verdict“The right choice if your ride doubles as your work commute and you need laptop space, water, and visibility in one bag.”
KEMIMOTO Motorcycle Backpack, Hardshell Helmet Backpack 22L Carbon Fiber Reflective Riding Bag
At 22L, this KEMIMOTO hardshell is the smallest-capacity pick in this batch, and that’s precisely its strength. The carbon fiber shell does something no soft bag here can: it protects what’s inside, which matters if you’re carrying a laptop or camera gear and end up off the bike — or simply drop the bag at a fuel stop. The 7-inch expandable section gives it surprising helmet-carrying flexibility for its footprint. Compared with the Riderbag 35L commuter, you give up half the storage, but gain a rigid, waterproof shell that doesn’t sag or shift at highway speeds. The tradeoff cuts both ways: the hard shell won’t compress or flex to fit under seats or in tight top boxes the way fabric bags like the nylon helmet backpack (B0CSDFYF1Y) will, and some riders find the rigid form factor bulky despite the modest volume.
Pros:- Hard carbon fiber shell genuinely protects contents from impact
- Fully waterproof construction with no reliance on rain covers
- 7-inch expandable section accommodates a helmet despite the compact 22L base size
- Dedicated laptop compartment with breathable mesh back for comfort
Cons:- 22L base capacity is tight for anyone carrying more than daily essentials
- Rigid shell can’t compress or squeeze into tight storage spaces
- Limited color options restrict personalization
Best for: Riders who carry electronics or valuables and want impact protection in a compact, aerodynamic package
Not ideal for: Overpackers and touring riders — 22L fills fast, and the rigid shell can’t be expanded beyond its 7-inch stretch
- Capacity:22L
- Dimensions:20 x 14 x 7 inches
- Expandable Length:7.09 inches
- Material:Carbon fiber hardshell, waterproof
- Visibility:Reflective strips
- Laptop Compartment:Included
- Back Panel:Breathable mesh
Our verdict“Choose this when protecting your cargo matters more than maximizing how much of it you can carry.”
Motorcycle Backpack with Helmet Holder, 40L Water-Resistant Riding Backpack
This 40L bag earns the top spot because it solves the most problems at once without a glaring weakness. The hard-shell main compartment swallows a full-face helmet — and it’s rated for modular, open-face, off-road, and rally lids too, which is broader compatibility than most bags in this roundup claim. Add a padded 15-inch laptop sleeve, full-length vertical reflective panels, and GRS-certified recycled materials, and it covers commuting, travel, and weekend riding in one package. Compared with the Oumurs 50L expandable, you give up raw volume but get a cleaner, more manageable profile for daily use. Against the KEMIMOTO 22L hardshell, it trades a bit of rigidity for far more capacity. The honest caveats: water resistance is not submersion-grade without a rain cover in sustained downpours, and the hard-shell layout is less forgiving than fabric bags when you need to cram irregular gear.
Pros:- Fits virtually every helmet style including full-face, modular, and off-road
- 40L capacity with separate padded laptop sleeve handles work and travel
- Reinforced waterproof zippers and sealed seams for real weather resistance
- Full-length vertical reflective strips plus recycled GRS-certified construction
Cons:- Not fully waterproof in prolonged heavy rain without an additional rain cover
- Hard-shell compartment is less flexible for irregularly shaped cargo than fabric bags
- Laptop sleeve limited to 15-inch machines
Best for: Riders who want one bag for commuting, helmet carry, laptop storage, and weekend trips without compromise
Not ideal for: Riders with laptops larger than 15 inches, or those who ride through sustained heavy rain without adding a rain cover
- Capacity:40L
- Material:Water-resistant polyester and nylon, GRS-certified recycled
- Helmet Compatibility:Full-face, modular, open-face, off-road, rally
- Laptop Limit:15 inches
- Reflective Strips:Full-length vertical panels
- Zippers:Reinforced waterproof with sealed seams
- Structure:Hard-shell main compartment
Our verdict“The most balanced pick here — buy it if you want a single do-it-all bag that carries a helmet, a laptop, and everything in between.”
Motorcycle Backpack Helmet Bags, Large Capacity Waterproof Helmet Backpack for Men
This is the value and versatility pick — a straightforward, no-frills nylon bag that does double duty on and off the bike. The high-density nylon construction is genuinely durable and water-resistant, and the multiple-compartment layout makes it as usable for a hiking trip or gym run as for a ride, something the more motorcycle-specific Riderbag commuters can’t claim. At 2.5 lbs, it’s lighter than it looks for its 13 x 8.2 x 18.5-inch footprint. The compromises are clear when placed next to the 40L best overall pick (B0H21P6PRD): no dedicated laptop sleeve, no structured helmet compartment, and only reflective piping rather than full hi-viz panels. If motorcycle commuting is your primary use, those gaps matter. If you want one inexpensive bag that covers riding, cycling, and general outdoor use, this fills that role without pretending to be more specialized than it is.
Pros:- Waterproof high-density nylon holds up well across multiple activities
- Large capacity with multiple compartments for organized packing
- At 2.5 lbs, light for its size and comfortable with adjustable straps
- Reflective piping adds basic visibility without a premium price
Cons:- No dedicated laptop compartment or structured helmet storage
- Reflective piping only — far less visible than hi-viz panel bags like the Riderbag
- Bulky dimensions make it awkward as a slim everyday commuter bag
Best for: Budget-conscious riders who also cycle, hike, or travel and want one versatile bag instead of several
Not ideal for: Daily motorcycle commuters who need a laptop sleeve, structured helmet carry, or serious visibility features
- Dimensions:13″L x 8.2″W x 18.5″H
- Weight:2.5 lbs
- Material:High-density nylon fabric
- Weather Protection:Waterproof
- Visibility:Reflective piping
- Straps:Adjustable
- Compartments:Multiple organization pockets
Our verdict“A sensible budget buy for multi-sport use — skip it if motorcycle-specific features like laptop protection and helmet structure are must-haves.”
Motorcycle Backpack Waterproof Helmet Seat Bag Tail Bag for Men and Women
This option stands out for full waterproof construction at a budget price, pairing waterproof fabric with a waterproof zipper rather than relying on a separate rain cover like the KEMIMOTO 37L. That sealed-zipper approach means fewer steps when the weather turns mid-ride, and the reflective strips add real visibility for night commuters. Organization is a strength here too: one main pocket plus three compartments keeps a laptop separated from gear better than single-cavity budget bags. The honest tradeoff is vagueness — unlike the 36L helmet bag (B0B5H5ZPRW), the seller publishes no dimensions or liter capacity, so buyers are gambling on fit for larger helmets or a 16-inch laptop. There’s also no stated padding or strap ergonomics, which matters on longer rides. This pick makes the most sense for riders who prioritize weather protection on a spending limit over measurable capacity specs.
Pros:- Waterproof zipper plus waterproof fabric keeps contents dry without a rain cover
- Four storage zones separate laptops from helmet and gear
- Reflective strips improve visibility for night riding
- Doubles as a seat bag or tail bag for versatile mounting
Cons:- No published dimensions or liter capacity makes fit a gamble
- No advertised padding, ventilation, or ergonomic strap features for long rides
Best for: Rainy-climate commuters who want sealed waterproofing and laptop organization without paying premium prices
Not ideal for: Riders who need guaranteed fit for oversized helmets or 16-inch laptops, since no dimensions or capacity are listed
- Capacity:Fits most motorcycle helmets, 15-16 inch laptops, sports gear
- Material:Waterproof fabric with waterproof zipper
- Compartments:1 main pocket, 3 additional compartments
- Zippers:2
- Safety Features:Reflective strips
- Use Modes:Backpack, seat bag, or tail bag
- Water Resistance:Waterproof fabric and zipper construction
Our verdict“A sensible low-cost choice for wet-weather commuters, provided they’re comfortable buying without confirmed size specs.”
KEMIMOTO Motorcycle Helmet Backpack, 37L Large Capacity with USB Charging Port and Rain Cover
Among the larger bags in this roundup, the KEMIMOTO 37L earns its touring role through thoughtful long-ride details the others skip: a built-in USB charging port, a stowable rain cover, and an ergonomic back panel pitched at reducing neck strain. Compared with the Oumurs 50L expandable, it sacrifices raw volume but gains a more manageable profile — 50L bags get unwieldy at highway speeds, and this one balances capacity against aerodynamics more sensibly. It also out-specs the budget waterproof bag (B09ZKYT8TC) on comfort, which matters once you’re wearing a loaded pack for hours. The tradeoffs are real, though: it feels bulky and heavy when fully loaded, the USB port needs your own power bank to function, and serious rain protection depends on deploying the cover rather than sealed construction. This model is better suited to riders who plan multi-day trips than those hopping across town.
Pros:- 37L capacity with a dedicated helmet compartment keeps gear organized on multi-day trips
- External USB charging port supports phone navigation on long rides
- Included rain cover adds weather protection when storms hit
- Ergonomic design reduces neck and shoulder strain under load
Cons:- Feels bulky and unbalanced on short trips or tight maneuvering
- USB port requires you to supply your own power bank
- Fully loaded weight becomes fatiguing on foot
Best for: Touring and long-distance riders who need helmet storage, device charging, and ergonomic support over extended rides
Not ideal for: Short-trip urban commuters, since the 37L frame is oversized and heavy for errand runs
- Capacity:37L
- Material:Wear-resistant polyester
- Charging:External USB charging port (power bank required)
- Weather Protection:Included waterproof rain cover
- Helmet Storage:Dedicated helmet holder
- Ergonomics:Ergonomic design to reduce neck strain
- Compatible Riding:Motorcycle, street bike, dirt bike, snowmobile
Our verdict“The clear choice for riders who live on the bike for days at a time and want charging plus comfort built in.”
Motorcycle Backpack for Men and Women, Waterproof Helmet Bag, Bookbag for Riding and Outings
This bag wins the everyday-commuter slot because it’s the rare budget option with published dimensions (50×36×20cm), so buyers actually know a full-face helmet and a 15-inch device will fit before ordering — a certainty the sealed-zipper budget bag (B09ZKYT8TC) can’t offer. The high-density tear-resistant nylon handles daily wear and the reflective strips keep evening rides safer, while the roomy main compartment swallows a jacket or change of clothes alongside a helmet. Where it falls short of the KEMIMOTO 37L is weather: it’s rated for light rain only, with no rain cover included, so sustained downpours will eventually find their way in. There’s also no weight spec, which makes comparing loaded comfort difficult. Compared with similar no-name bags in this roundup, the honest sizing and durable fabric make this pick the most sensible low-risk choice for daily riding and off-bike use as a regular bookbag.
Pros:- Published dimensions guarantee fit for most helmets and 15-inch devices
- Tear-resistant high-density nylon survives daily use and off-bike wear
- Reflective strips boost night-riding visibility
- Roomy enough for a helmet plus clothing or a jacket
Cons:- Only light-rain resistant with no included rain cover
- No weight information makes loaded comfort hard to judge
Best for: Daily commuters and students who want confirmed helmet and laptop fit, plus a bag that works off the bike
Not ideal for: Riders in heavy-rain regions, since water resistance stops at light rain with no rain cover
- Dimensions:50 × 36 × 20 cm
- Material:High-density tear-resistant nylon
- Capacity:Fits most motorcycle helmets and 15-inch devices
- Water Resistance:Light rain resistant
- Safety Features:Reflective strips
- Storage:Multiple compartments for organized storage
- Use Cases:Riding, daily trips, outings
Our verdict“A dependable, correctly-sized commuter bag for fair-weather riders who also want everyday backpack utility.”
How We Picked
I ranked these motorcycle gear backpacks against four criteria that actually matter on a bike, in this order: weather protection (water-resistant fabric plus an included rain cover scored higher than fabric claims alone), helmet-carrying capability (whether a full-face helmet fits inside or in an external holder, and how securely), riding comfort and stability (strap quality, chest/waist attachments, and whether the pack sits flat at speed), and capacity honesty (does the stated liter count reflect usable daily space or only the fully expanded maximum?). Value was the tiebreaker — two packs with similar performance were separated by price per feature, which is why branded options with better hardware consistently outranked cheaper unbranded equivalents.
The ranking order also reflects buyer fit. Packs that serve a clear rider type — commuter, tourer, weekend errand-runner — rank higher than versatile-but-mediocre generalists. That logic is why the KEMIMOTO 37L takes the top spot over larger packs, and why the compact hardshell 22L outranks several bigger soft bags despite holding less: a backpack you’ll actually use every day beats a giant one that stays home.
Factors to Consider When Choosing Motorcycle Gear Backpacks
Before choosing from the lineup above, it helps to understand the broader patterns in this category. Motorcycle gear backpacks occupy a strange middle ground between luggage and riding equipment, and most buyer disappointment comes from mismatched expectations rather than bad products.Real Capacity Versus Stated Capacity
The single most common mistake in this category is trusting the liter count on the listing. Many manufacturers measure capacity with the pack fully expanded, every pocket bulged, and the helmet net stretched — numbers that don’t reflect daily usable space. A ’45L’ pack in collapsed commuting mode might realistically hold 25L of gear plus a helmet. Expandability is genuinely useful, but treat the unexpanded size as your baseline and the expanded size as an occasional bonus for grocery runs or track days. If your helmet lives inside the main compartment, subtract its volume from your mental estimate, because a full-face helmet eats 15–20L on its own.
Waterproofing Claims Don’t Mean What You Think
Most packs in this price range use water-resistant coated fabric, which handles drizzle and spray but fails in sustained rain because water enters through zippers and seams. A included rain cover is worth far more than a waterproof fabric claim, and covers fail too — they tear at highway speed if they’re not snug and tethered. Hardshell packs solve this differently: their rigid exterior shrugs off rain entirely, but their zippers remain the weak point. For commuting in a rainy climate, prioritize a pack with both a cover and taped or covered zippers over one that simply says ‘waterproof’ in the title. And whatever you buy, keep electronics in an inner dry bag regardless of the pack’s claims.
Why Hardshell Versus Softshell Changes Everything
Hardshell packs do more than look aggressive — the rigid back panel acts like a mini back protector, keeps the pack’s shape when half-empty, and stops contents from shifting mid-ride, which improves stability at speed. The tradeoffs are weight when empty, fixed internal dimensions (a hardshell won’t stretch around an awkward load), and usually a higher price. Soft packs are lighter, cheaper, more flexible for odd-shaped cargo, and often expandable. Riders who commute at highway speeds with a laptop tend to be happier with hardshells; riders doing mixed errands and short urban hops get more value from soft expandable designs. Neither is objectively better — the riding you actually do should decide.
Visibility Features Are Cheaper Than a Hospital Bill
Reflective piping and hi-viz colorways are the most underused safety upgrade in motorcycle gear, and backpacks are prime real estate for them because they face traffic directly. A reflective backpack makes you visible from behind, exactly where most motorcycle collisions originate. The difference between packs is large: dedicated hi-viz commuter bags reflect across their entire surface, while generic black packs often have a few thin strips that disappear beyond 50 feet. If you commute in traffic or ride at night, this factor alone can justify choosing a smaller hi-viz pack over a bigger black one. You can partially retrofit a dark pack with reflective stickers, but integrated reflectivity performs better and doesn’t peel.
Strap Hardware Is Where Cheap Packs Fail
Virtually every catastrophic backpack failure on a motorcycle — the pack that swings into your wheel, the strap that snaps mid-corner — traces back to plastic buckles and stitching, not fabric. Riding adds vibration, wind load, and hard mount-dismount cycles that walking-grade hardware doesn’t face. Look for reinforced stitching where straps meet the body, thicker buckles, and a chest strap at minimum; a waist strap matters more as capacity grows past 30L because it transfers weight off your shoulders. This is the main hidden reason name-brand packs in this roundup outrank cheaper unbranded ones with identical listed features. If you already own a pack with flimsy hardware, replacing buckles with metal or heavier aftermarket clips costs little and removes the failure point.
Match the Pack to Your Riding, Not Your Aspirations
The most expensive backpack is the one that’s wrong for how you actually ride. Daily commuters need laptop protection, stability at speed, and 20–30L — not 50L of touring capacity that turns them into a sail. Weekend riders and tourers benefit from expandable 35L+ packs that handle gear runs and overnight trips. Track-day riders need helmet-specific carrying and little else. And if your trips regularly exceed what a backpack can hold, the honest answer may be that you need a tail bag or panniers instead — a backpack overloaded past 30L fatigues your back, raises your center of gravity, and degrades your control of the bike. Buy for your three most common rides per week, not the once-a-year adventure.
Frequently Asked Questions
Can a full-face helmet actually fit inside these backpacks?
Most packs in this lineup rated 35L and above can swallow a full-face helmet in the main compartment, but with consequences: the helmet consumes most of the usable space, leaving little room for anything else. Packs with dedicated external helmet holders or hidden nets, like the KEMIMOTO 35L, solve this by carrying the helmet outside so the interior stays free for gear. Hardshell models are the least forgiving — their fixed dimensions mean a bulky adventure-style helmet may not fit at all, so check interior measurements rather than liter ratings if you wear an XL or modular helmet. My advice: if you carry your helmet daily, prioritize a pack with an external holder; if you only stow the helmet occasionally, interior carry is fine.
Are the USB charging ports on these backpacks actually useful on a motorcycle?
Only if you understand what they are — these ports are pass-through connections, not batteries, so you still need to carry your own power bank inside the pack. The real benefit on a bike is convenience: you can route a charging cable to a jacket or tank bag pocket without opening the main compartment at a stop, which matters more than it sounds when you’re gloved and parked briefly. Riders who spend all day on a phone mount running navigation will get the most value here. If you don’t carry a power bank already, don’t pay extra for the port — a direct USB charger wired to your bike’s battery is a better long-term solution. Treat the port as a nice organizing feature, never as a deciding factor.
Is a hardshell backpack worth the extra money over a soft one?
It depends on speed and cargo. Above roughly 50 mph, a hardshell’s rigid shape stops the pack from flapping and deforming, which noticeably reduces fatigue on longer rides, and it protects a laptop far better than padded soft fabric ever will. The hardshell models in this roundup also age better — soft packs sag and their coatings wear, while rigid shells look the same after years. The tradeoffs are real: hardshells cost more, weigh more empty, can’t expand around awkward loads, and their zippers remain weather weak points despite the shell. Commuters and highway riders should pay the premium; urban riders doing short, slow trips get 90% of the benefit from a well-made soft pack at half the price.
How much capacity do I really need for commuting versus longer trips?
For a daily commute carrying a laptop, lunch, and layers, 20–25L is the sweet spot — anything larger rides tall, catches wind, and encourages you to carry weight your shoulders will regret after an hour. The 35–40L range makes sense for riders who combine commuting with gym gear, shopping, or occasional overnight trips. The 50L+ expandable packs are really weekend and touring tools, and they’re at their best only partially filled on weekdays. A useful self-check: weigh what you actually carry to work. If it’s under 10 pounds, buy small; backpack comfort on a motorcycle degrades faster than most riders expect once you pass that threshold. When in doubt, choose expandable — start small and unzip when you need to.
Do rain covers actually stay on at highway speeds?
The good ones do, but only if they’re fitted correctly and the design accounts for airflow. A proper motorcycle rain cover should be snug, have an elastic or drawcord hem, and include a tether point — covers that simply stretch over the pack can balloon, shift, and eventually tear loose above 60 mph. Before your first rainy ride, cinch the cover down fully and route any excess strap so it can’t flap. Even the best cover has limits: sustained downpours eventually push water past the cover’s edge near the zippers, which is why I recommend an inner dry bag for electronics no matter how good the cover is. Think of the cover as your first line of defense, not a waterproof guarantee.
Conclusion
The right pick from this lineup depends entirely on how you ride. For best overall, the KEMIMOTO 37L earns the top spot with its blend of genuine capacity, included rain cover, USB pass-through, and strap hardware that holds up — it’s the pack that makes the most sense for the widest range of riders. The Oumurs 50L Expandable is my pick for maximum storage and touring, accepting that you pay for capacity with a taller, wind-catchier profile. For best value, the KEMIMOTO 35L with hidden helmet net delivers branded build quality and external helmet carry at a mid-tier price that undercuts the premium competition.
Commuters and beginners building their first kit should look at the KEMIMOTO 22L Hardshell — its rigid shell, laptop compartment, and compact footprint make daily riding easier and safer without the cost or bulk of the big packs. For best premium, the Carbon Fiber Hardshell Light Version offers the category’s best weather resistance and highway stability. And for one specific need — night and heavy-traffic commuting — the Riderbag Hi Viz is unmatched on visibility, as long as you don’t need to carry a helmet inside. Choose based on your three most common rides per week, and you won’t go wrong.
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