10 Best 40-liter Backpacks [2025]
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Finding the perfect 40-liter backpack can be a daunting task, especially when you’re navigating through a sea of options available on the market today. With countless brands, styles, and features promising to meet various needs, it’s easy to feel overwhelmed. Whether you’re planning a weekend hike, a day trip, or need a reliable travel companion, the right backpack can make all the difference. However, sifting through reviews and specifications to find the best one for your personal requirements can be both time-consuming and frustrating.
To simplify your search, we have meticulously researched and shortlisted the top 10 best 40-liter backpacks available. Our selection process involved analyzing customer reviews, expert opinions, and product features to identify backpacks that excel in durability, comfort, and functionality. By curating this list, we aim to save you time and hassle, allowing you to make an informed decision without the guesswork. Whether you’re an avid adventurer or a casual traveler, our guide will help you find the ideal backpack that meets your needs perfectly.
Top 10 40-liter Backpacks In The Market
Best 40-liter Backpacks Review
Bestseller No. 1
tomtoc Travel Backpack 40L, TSA Friendly Flight Approved Carry-on Luggage Hand...
- 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
Bestseller No. 2
Maelstrom Hiking Backpack,Camping Backpack,40L Waterproof Hiking Daypack with...
- 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.
Bestseller No. 3
Dinictis 40L Travel Backpack Carry on Flight Approved, Backpack Suitcase for...
- ✈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.
Bestseller No. 4
Taygeer Laptop Backpack for Women, Large Travel Backpack with 17.3 inch Laptop...
- 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
Bestseller No. 5
Asenlin 40L Travel Backpack for Women Men，17 Inch Laptop Backpack Flight...
- 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.
Bestseller No. 6
Lightweight Hiking Backpack 40L Packable Daypack for Men Women Waterproof...
- 【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.
Bestseller No. 7
Osprey Farpoint 40L Men's Travel Backpack, Black
- 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.
Bestseller No. 8
LOVEVOOK 40L Travel Backpack for Women & Men, Large Carry on Backpack for...
- 【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.
Bestseller No. 9
G4Free 40L Lightweight Packable Hiking Backpack, Waterproof Travel Daypack
- 【Wet Pocket Design】100% waterproof wet pocket is designed in the back of this hiking backpack. Take this outdoor backpack for swimming or hiking to avoid getting wet or stuck in the rain. Never worry about your phone, or purse getting wet, and separate your sweaty clothes, towels, or other personal things for outdoor activities.
- 【Multi-Compartment Design】 This foldable backpack has 40L storage space. Featuring one main zipped compartment, a second large zipped front pocket, one front zipped hidden pouch, one front zipper compartment, and 2 side pockets. One separator and one small zippered pocket in the main compartment to organize your travel essentials or daily items.
- 【Lightweight & Comfortable】Weighs 1lb. Unfold size: 18.9*12.9*9.4inch(L*W*H); Fold size: 9.4x8.7inch; A true space saver. Fold the travel backpack into its pocket for storage to avoid the overweight charge. Breathable widened S-type shoulder straps with plentiful sponge padding help relieve the stress from your shoulder. The adjustable chest strap with a whistle buckle helps you lock your backpack in place securely or help to put in the luggage.
- 【Water-resistant and Durable】This handy hiking daypack is made of high-quality tear and water-resistant polyamide fabric. Bar-Tacks Processed at the seam will provide extra strength and long-lasting performance. Durable two-way SBS zippers are abrasion-resistant and ensure secure closure.
- 【VERSATILTY】This is a packable backpack that can be easily folded into the front large pocket to fit anywhere and unfolds from pocket to backpack in seconds. Lightweight backpack for travel, hiking, camping, sport, overnight trip, daily use, shopping, and more. It is the perfect companion no matter outdoor sports or leisure activities in or out of the city.
Bestseller No. 10
Maelstrom Hiking Backpack, 40L Waterproof Camping Daypack for Men and Women,...
- Spacious And Organized Storage Space: The large capacity hiking backpack measures about 13.4*8.6*22" (W*H*D), capacity: 40 liters. lightweight backpack is equipped with a spacious backpack with zippered main compartment, 2 front zippered pockets, 2 waist zippered pockets, 2 side pockets and 2 mesh pockets, which can efficiently store and categorize different items
- High-Quality Fabric:daypack backpacks is made of high-quality nylon fabric, which is waterproof, tear-resistant, scratch-resistant, wear-resistant and so on; in addition, the bottom pocket comes with an extra rain cover pocket with a transparent silver reflective logo, preventing water and dust from getting into the backpack, protecting your valuables from heavy rain and keeping them dry
- Unique Functional Design:The main pocket of the camping backpack has a Velcro strap for binding the water bag liner and a hose hole on the top side for assembling the water bag system; the side straps and buckles can be used to fix water bottles or trekking poles, and the bottom straps can be used to fix a tripod or a sleeping pad; finally, there is a reflective logo printed on the backpack to remind people to pay attention to safety
- Durable And Ergonomically Designed: rucking backpack is equipped with ergonomic shoulder straps and back support system, load compression strap system on both sides and bottom to adjust and tighten the backpack. Provides a good sense of comfort and support, helping to reduce fatigue during long hiking trips; in addition, the chest buckle is designed as a survival whistle, which can be used quickly and easily in emergency situations
- Lightweight & Multi-Purpose: Hiking backpack men is lightweight, weighing only 1.5 pound; the large capacity and multiple pockets are perfect for hiking, camping, hiking, fishing and the rest of outdoor activities. It meets the size requirements of most airlines. This camping backpack can be used as a hiking backpack, travel bag and business bag, suitable for both men and women!
Bottom Line
In conclusion, our selection of the best 40-liter backpacks has been carefully curated to provide you with a variety of options that suit different needs and preferences. We evaluated each product based on several key factors, including durability, comfort, organization, and customer feedback. By considering the unique features that each backpack offers, we aimed to cater to a wide range of activities, from hiking and traveling to daily commuting. Our thorough research ensures that these ten products represent the best in quality and performance within the 40-liter category.
By following our list, you can be confident that you’re choosing a backpack that not only meets your requirements but also enhances your overall experience, whether you’re embarking on an outdoor adventure or navigating daily life. Each of these 40-liter backpacks has been selected with user satisfaction in mind, ensuring that you’ll find a reliable companion for your journeys ahead. We hope this guide helps you make an informed decision and leads you to the perfect backpack for your needs.
