10 Best 40 L Travel Backpacks 2025 in the United States

The G4Free 40L Lightweight Packable Hiking Backpack is designed with travelers and hikers in mind, offering a balanced mix of features that cater to both comfort and functionality. With a 40-liter capacity, this backpack provides ample room for your essentials, making it suitable for short trips or day hikes. Its lightweight nature, at just 1 pound, ensures that it won't add unnecessary weight to your load, and its ability to fold into a compact size makes it an excellent space-saver for those trying to avoid extra baggage charges.

This backpack stands out with its waterproof wet pocket, ideal for keeping electronics and dry clothes separate from wet or soiled items, adding a layer of protection against unexpected weather or splashes. The multi-compartment design enhances organization, featuring a main compartment, several zipped pockets, and two side pockets, allowing users to efficiently sort and access their belongings.

Constructed from high-quality, water-resistant polyamide fabric and reinforced with Bar-Tacks at the seams, the backpack promises durability. The SBS zippers are an added bonus, noted for their abrasion resistance. Comfort is not neglected, with breathable, padded S-type shoulder straps and an adjustable chest strap designed to distribute weight evenly and reduce shoulder strain.

However, while the G4Free backpack offers great organization and durability, security features are somewhat limited as there is no mention of lockable zippers or anti-theft compartments, which might be a concern for travelers in unsafe areas. Additionally, while the packable nature is convenient, some users might find it less supportive for heavier loads due to the absence of a more structured frame.

This backpack is a versatile choice for individuals seeking a lightweight, durable, and water-resistant option for various activities, though those prioritizing high-security features may need to look elsewhere.

The IGOLUMON 40L hiking backpack is a solid choice for those needing a lightweight and versatile pack for day hikes or travel. Weighing just about 1 pound, it’s easy to carry and folds into its own pocket for compact storage, making it convenient for packing or quick trips. Made from tear-resistant and waterproof nylon, it offers good protection for your belongings in wet conditions. The backpack features a well-thought-out layout with multiple compartments: a large main section, front pockets, side mesh pockets, and a special waterproof wet pocket that helps separate damp or sweaty items from the rest. This adds a practical touch for outdoor activities.

Comfort-wise, the padded mesh shoulder straps and chest buckle help distribute weight and relieve pressure, though there’s no mention of a padded back panel, which might affect long-term comfort on heavier loads. For safety, reflective printing and a whistle built into the chest strap are useful features when hiking in low light or emergencies. The pack’s bottom webbing straps allow you to carry extra gear like mats or tents, which is handy for camping.

The backpack is durable with reinforced stitching and double metal zippers, though its security features are basic—there are no lockable zippers or anti-theft designs. This pack is well suited for hikers and travelers looking for a lightweight, waterproof daypack with good organization and comfort, but those needing advanced security or support for heavy loads may want to consider other options.

The FENGDONG 40L travel backpack offers a solid option for those needing a versatile daypack for hiking, camping, or travel. With a 40-liter capacity, it provides enough space to organize essentials across multiple compartments, including a main section, front and side pockets, plus internal organizers. Weighing only about 1.9 pounds, it’s lightweight and easy to carry, which is great for long days on the move.

The backpack is made from water-resistant, tear-resistant polyester material, giving it good durability and some protection against the elements. Comfort is addressed with breathable mesh padding on the shoulder straps and back panel, helping keep you cool and reducing strain even when fully packed.

In terms of fit for a 40-liter travel backpack, it performs well on capacity, comfort, and durability, making it a reliable choice for casual hikers or travelers looking for an affordable, easy-to-carry daypack. If you prioritize high-end materials or extra security, you might want to explore other options.