10 Best 40l Backpacks [2025]
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Finding the perfect 40L backpack can feel like searching for a needle in a haystack, especially with the overwhelming range of options available on the market today. Whether you’re a seasoned hiker, a frequent traveler, or simply someone who needs a reliable daypack, the myriad of features, brands, and designs can make the decision-making process daunting. Factors such as comfort, durability, weight, and storage capacity all come into play, and navigating through countless reviews and specifications can be both time-consuming and frustrating.
To simplify your search, we have meticulously shortlisted the best 40L backpacks based on rigorous criteria, including user feedback, expert reviews, and real-world performance tests. Our curated list of ten standout products not only highlights the top contenders but also provides insight into what makes each one unique. With our guide, you can save valuable time and avoid the hassle of sifting through endless options, ensuring you find the ideal backpack that perfectly aligns with your needs and adventures.
Top 10 40l Backpacks In The Market
Best 40l Backpacks Review
- Large Capacity & Organized: Dimensions: 20.47 x 13.39 x 9.06 inch. Depending on the packing methods and contents, the actual usable capacity ranges between 38-40L. This carry-on backpack provides ample space for all your travel essentials. It features a large main compartment with a separate laptop compartment, and several other pockets and compartments for organization
- Convenient Storage: You can reach the main compartment from the quick access front pocket for easy reach of your travel essentials on the go, and the main compartment can also be unzipped like a suitcase for easy packing and unpacking; The tech compartment can accommodate up to 17" laptop and 13 inch iPad with accessories; Front pocket, top pocket and side pockets for easy access to glasses, documents and travel liquids, etc.
- TSA Friendly & Flight Approved: The laptop compartment is friendly designed to be opened 90°-180° for security scanning, helps get through airport security checkpoints quick and easy; And the dimension meets the maximum size requirements by IATA flight, it's ideal for airplane traveling
- Built to Last and Sustainable: Made of premium quality YKK zippers and durable recycled fabric—that is 100% post-consumer material made from PET plastic bottles, which is sustainable and can also reduce energy consumption and pollution; Keep traveling with the best recycled fabric! The results might surprise you
- Ultra-comfortable & Easy Carry: 3D padded back panel and contoured thick shoulder straps for superior ergonomic comfort. An adjustable chest buckle help transfer weight off your shoulders, keeping you relaxed and cozy all the time; Two handles, one on top and one on the side provide flexible carrying experience. A strap on the back for luggage pass-through for convenient carry
- High-Quality Material:Hiking backpack is made of high quality rip-stop 210d nylon fabric,which is water resistant,tear resistant,anti-scratch and wear resistant. Furthermore,we also give away a rain cover with a clear silver reflective logo. It is putted in the little pocket under the backpack. So it is no doubt that all your things will keep dry during rain. Just take this outdoor backpack,no matter the weather.
- Ergonomic and Comfortable Design:Thicker padded back with ergonomic breathable design paired with adjustable, breathable and padded shoulder help to reduce fatigue during a long day of hiking. The hiking daypack comes with an ergonomic ring handle,which is labor-saving and durable. The adjustable chest buckle works perfectly to distribute the pack’s weight and keep it steady and centered. And chest buckle designed as a survival whistle for quick and easy use in case of emergency.
- Large Capacity & Multi Compartment: Maelstrom Hiking Daypack provides several pockets for handy storage and convenient organization. Spacious backpack packed with roomy zipper main compartment, 1 top pocket, 3 front zipper pocket, 2 waist zipper pockets and 2 mesh side pockets.In addition,one waterproof wet pocket is added to the main compartment to better separate sweaty clothes or other personal things after swimming or taking exercise.
- Unique Function Design:The camping backpack is printed with reflective signs to remind safety. The sides of the backpack have elastic and fasteners that can hold two sets of trekking sticks or adjust the webbing according to needs. There is a headphone hole on the top of the backpack for you to enjoy music. There is a Velcro to fix the water bag liner in the main bag and a water pipe hole on the top side of the backpack to assemble the water bag system.
- LIGHTWEIGHT -- Easy to carry:The 40L hiking backpack is lightweight and it’s breathable mesh shoulder straps with plentiful sponge padding help to relieve the stress from your shoulder. The large capacity of 40L provides enough space for outdoor travel,camping,hiking and fishing. It meet size requirements for most airlines. This camping backpack can be used as hiking backpack, travel bags and business bag,which is suitable for men and women.
- ✈Perfect Carry On Backpack Size: Fits overhead and under the seat when traveling by air. Most airlines (such as United, Frontier, Spirit, JetBlue, Southwest and Delta) recognize it for carrying personal items.
- ✈Well-Partitioned Storage: Large 40-liter capacity, two front pockets, side pockets and a 19-inch laptop pocket with foam padding, and a main compartment with mesh pockets and luggage compression straps to keep your travel gear organized and easier to find.
- ✈Comfort and Portability: Breathable and comfortable shoulder straps and chest strap (adjustable up and down on the chest) can reduce the pressure on the shoulders; Luggage straps can secure the backpack to your suitcase/luggage for easy carrying. Thickened carrying handles on the top and sides of the suitcase backpack are suitable for long time carrying use.
- ✈Sturdy and Durable: The travel backpack is made of explosion-proof zipper and high-density scratch-resistant and waterproof polyester fabric to protect your items. Durable materials and stylish design make it the perfect travel companion
- ✈ Application: This travel backpack is perfect for men and women to use as a travel personal carry-on bag, business trip, weekend getaway, cross-border travel, overnight and outdoor activity backpacks, and it is also a great gift choice for birthdays, Valentine's Day, Thanksgiving, Christmas and New Year.
- Large Capacity & Multi-Pocket: The upgraded large travel backpack gives you more storage capacity from 35 L to 40 L. Dimensions 18.5*12.8*8 inch, has 3 main large compartments and 9 allocated inner pockets and side pockets, easily holds packing cubes, make-up bag, clothing, camera bag and gear. Backpack with laptop compartment hold a 17.3 inch laptop and a 12.9 ipad for your work or study needs in business and college. A great companion for 5-7 day trips
- Convenient USB Port: This 40 L travel backpack has an external USB charger on the side and a charging cable inside, providing you with a more convenient way to charge your phone and avoiding miss information. Please note that the extra large backpack itself does not provide power, nor does it include a power bank and data cable, USB charging port only offers easy access to charge
- Flight Approved Carry On Backpack: The womens laptop backpack can be freely opened 90-180 degrees like a suitcase, pass through airport security quickly and is specially designed for air travel. The large travel backpack for women can be used as a personal item in overhead bin or under the seat. TSA approved backpack is also compliant with airline carry-on requirements for Easy Jet, Spirit, Jet Blue and more
- Enduring & Comfort: Comfortable airflow back design, thick and soft multi-piece ventilation pad has good heat dissipation, relieve shoulder pressure. The shoulder straps can be through the luggage strap so you can easily transform this convertible travel backpack from a backpack to a handbag, and has sturdy zippers and decent stitching. Luggage strap helps you secure it to a suitcase
- Multiple Conversion: Luggage backpack for travel can be mixed conversion (laptop backpack/shoulder bag/travel bag/briefcase). Lightweight travel backpack has many different ways to use, can be used as a business bag, long hiking bag, tote bag for women work, carry on duffel bag etc. Cute large pink backpack is perfect for week trips, travel, college, daily work use, etc. It is also the best birthday gift for women
- Airline Approved Personal Item Backpack: Avoid extra luggage fees! Designed at 18”H x 13.5”L x 8”W, this MATEIN carry on backpack meets most airlines personal item size requirement, and can be placed in the overhead luggage compartment and under seat for airlines, suitable for Spirit, Frontier, Easy Jet, Jet Blue, and other airlines. This travel backpack carry on flight approved features a TSA-friendly 90-180° opening design lets you breeze through security checks and keep other items tidy
- Spacious & Organized: Everything in its place! This 40L travel backpack stay organized with 4 main compartments, the personal item backpack's main compartment with double zippers has enough storage room to store like a suitcase, fits up to 3-4 days trip. The separate laptop compartment offers enhanced padding to protect your 17" laptop. The front compartment has many pockets to keep your belongings organized. The Secure hidden pocket design can protect your passport, wallet & valuables
- Versatile & Convenient: External USB port with built in charging cable conveniently charges your phone and other electronic devices (pls provide your own portable charger). The shoe compartment at the bottom fits sizes 10-12, keeping footwear separate and odors at bay with breathable venting holes, while doubling as a versatile toiletry or accessory bag. This carry on backpack for airplanes ensures essentials stay neat, accessible, and travel-ready—perfect for business trips or adventures
- Practical & Comfortable: Crafted from water-repellent, high-density polyester with sturdy metal zippers, this travel laptop backpack ensures long-lasting protection. Secure your valuables with lockable metal zippers in the laptop compartment (bring your own lock). Enjoy airflow back design, multi-panel padding, and breathable, adjustable straps for stress-free carrying. Features padded handles, a luggage strap, and a side mesh pocket for water bottles or umbrellas—Travel with comfort and ease
- Perfect Travel Companion:Whether for work or travel, daily or commuting usage, short weekend trip or spontaneous adventures, our large travel backpack is the perfect companion! From airline friendly carry on to lightweight hiking gear, this carryon backpack has you covered. A great gifts choice for your husband, families, friends, travelers, adventurers, and anyone on the go. This item is not intended for use by 12 years old and under
- Carry and Travel: The large backpack carries 3 custom-made storage bags, which can improve your travel quality. The overall size meets the size standards of the aircraft, and the portable zipper opening facilitates you to quickly pass the airport security check.It has built-in elastic bands to keep your clothes from falling out.
- Size and Material: The travel backpack dimensions 18.5 * 12.5 * 9.5 inches and comes with a special pocket that can hold a 17inch laptop.The backpack can be fixed on the trunk pole and can also be carried by hand; it uses water-resistant high quality polyester Oxford cloth material and explosion-proof zipper.
- Application: travel, carry-on, weekend travel, Cross-border tourism, overnight, Move out of old house, suitcase, the shrink strap with it is convenient for you to compress without carrying luggage, into a smaller backpack.
- Structure: main duffel bag 3 storage bags,laptop special bag front small bag water bottle / umbrella bag mouth hidden shoulder strap design front panel night travel reflective safety strip.(NOTE: There is a zipper on the shoulder strap, which can be used to put away or take out the shoulder strap by opening the zipper.)
- Upgrade and Reinforcement: This model has been upgraded many times. We have used multiple materials for multiple tests to ensure that the quality is strong. We have strengthened the parts that are easy to crack and adjusted the center of gravity in size.Make it more portable for a long time, and refer to the actual experience in the design of details to optimize, reliable and ensure long-term use.
- 【Versatile & Airline Approved】Measuring 18*14*8 inches, this carry on backpack fits under the seat or in the overhead compartment, approved by Spirit, Frontier, JetBlue, and other budget-friendly airlines, making it the perfect personal item for air travel.
- 【Spacious & Organized】With a 40L capacity, 4 compartments, and a lot of pockets, designed to allow you to easily separate and organize your travel personal items, this travel backpack can accommodate 3-7 days worth of travel items.
- 【3 Extra Packing Cubes & Wet Pockets】This carry-on bag includes 3 extra packing cubes – 2 storage bags and a shoe bag – as well as a built-in wet compartment pocket. Perfect for storing wet clothes, towels, and toiletries, these packing accessories ensure your belongings remain dry and prevent any leaks or moisture from affecting your other items.
- 【Durable & Comfortable】Built to withstand the challenges of travel, this carry on backpack is made from tear-resistant, water-resistant, and abrasion-resistant materials. It also has adjustable shoulder straps, a padded back panel, and shoulder straps, ensuring comfort during long trips; a travel essential.
- 【Secure & Practical】This large travel backpack features a suitcase-style opening for easy access to your belongings at security checkpoints. There's also a padded electronics compartment and umbrella/water bottle pockets on the side. A luggage strap is attached to the back.
- Large panel zip access to main compartment with dual front compression straps - 40L total volume
- Meets carry-on size restrictions for most airlines (22h x 14w x 9d in at 3.48 lbs.)
- Lockable zipper access to main compartment and quick access zippered pocket to padded laptop & tablet sleeve (fits up to most 16" laptops)
- The harness and hipbelt stow away for safekeeping while checked and deploy quickly for any path or trail
- Two front mesh bottle pockets (fits most water bottles) and an external zip toiletry pocket.
- 【Large Capacity&Multi Compartment】This portable hiking backpack has 40 liters of storage space with a multi-compartment design that includes 1 main zipper compartment, 2 zipper front pockets, 2 side pockets, and a waterproof wet pocket. The pen pocket and slip pockets in the front can help you organize your items more easily. The large capacity backpack helps you to easily storage all your essentials for your outing.
- 【Foldable & Comfortable】This lightweight trekking backpack only 1 pound, it can fold easily into its own pocket for storage and unfold when needed. Breathable mesh shoulder straps with plenty of foam padding help relieve pressure on the shoulders. The chest buckle is designed as a survival whistle for quick and easy access in an emergency. The chest strap buckle perfectly distributes the weight of the packable hiking backpack and keeps it stable and centered.
- 【Upgraded Wet Pocket Design】The lightweight hiking backpack stands out with a more user-friendly design that is easy to use. A waterproof wet pocket has been added on the back,and a zipper on the back leads to an internal wet pocket for better separation of sweaty clothes, towels or other personal items after exercise.Effectively separate the items in the water resistant hiking backpack wet and dry.
- 【Practical Design Backpack】Camping backpack printed with reflective signs,used at night to remind safety or can easily find companions.The side of the camping backpack 40L has elastic straps and fasteners to accommodate trekking poles.The bottom of the backpack has webbing straps to accommodate tents, sleeping mats, placemats and other items, and the length can be adjusted as needed.
- 【Durable&Waterproof Daypack】This hiking daypack is made of high quality tear-resistant and waterproof nylon fabric with double metal zippers.The center is reinforced at the main stress points to provide long-lasting durability for everyday use.The extra strength provided by the double layer bottom allows you to carry more stuff. A must-have for trekking, hiking, camping and travel.
- Expandable & Large Capacity: This extra large travel backpack with expandable feature offers you more packing capacity. Unzipping to get 45L storage then can easily hold packing cubes, make-up bag, outfits, camera bag and gear, etc. It fits overhead bin while on state of standard carry on size, is suitable for men, women, weekend traveler, or occasional vacationer. This versatile luggage backpack also meets airline carry-on requirements for airlines such as Easy Jet, Spirit, Jet Blue
- Convertible Design: Dimensions 19*13*8inch, Lightweight 1Kg(2.2lb) The carry on backpack is designed with hideaway padded shoulder straps which can be easily stored away in zippered back panel, transforming this vacation backpack from carry-on duffle to briefcase style and provide you a more flexible carrying experience. A luggage strap on the back is designed to fit on luggage/suitcase, for easier carry on international travel or cruise
- Easy to Carry: The luggage backpack is light to carry due to its adjustable shoulder straps, comfortable air-mesh ventilated back panel. 2 padded grab handles are set on the top and the side of the travel backpack, making it easily to take the bag from an overhead bin. The gift choice for Thanksgiving Day, Christmas, New Year, Valentine's Day, also available as travelers gifts
- Built for Travel: Front compartment is for little gear such as phone, earphone. The large inside pocket has internal compression elastic straps. The padded straps include a sternum strap that can be adjusted upward or downward, set to go across your chest, relieving the weight from your shoulder. 4 external compression straps keep contents from sloshing around and can get an inch or 2 more of vertical space also reduced stress on the zippers
- Heavy-duty: This large travel backpack is made of water resistant lightweight polyester with lockable zipper heads. Could be survived in different temperatures. With sturdy zippers and decent stitching, this backpack won't show any defects when on the go, ensuring you an unforgettable weekend getaway. Does your partner like to travel? It's also a practical Christmas and New Years gift for your parents, traveler
Bottom Line
In conclusion, selecting the best 40L backpacks can significantly enhance your travel experience, whether you’re embarking on a weekend hike or a longer journey. The ten products highlighted in this article were carefully chosen based on a variety of factors, including durability, comfort, storage capacity, and user reviews. We considered real-world feedback from outdoor enthusiasts and travelers alike to ensure that our recommendations cater to diverse needs and preferences. By narrowing down our selection to these top 10 products, we aimed to simplify your decision-making process, allowing you to find a backpack that truly meets your requirements.
By following our list of the best 40L backpacks, you can ensure that you invest in a reliable and functional piece of gear that will support you through various adventures. Each backpack on our list has been vetted for quality and performance, offering you peace of mind as you prepare for your next excursion. Whether you’re a seasoned adventurer or a casual traveler, choosing one of these backpacks will not only enhance your comfort but also allow you to organize your essentials efficiently. With the right 40L backpack by your side, you’re one step closer to making unforgettable memories on your journeys.