10 Best 40 L Travel Backpacks 2025 in the United States

The G4Free 40L Lightweight Packable Hiking Backpack is designed with a wet pocket feature, offering excellent waterproof protection for items like phones and towels, making it ideal for activities involving water, such as swimming or hiking in wet conditions.

The backpack is highly organized, with multiple compartments including a large main compartment, additional front pockets, and side pockets, ensuring ample storage and easy access to your essentials. Weighing only 1lb, it's lightweight and can be folded into a compact size for convenient storage, making it a great travel companion.

Comfort is addressed through breathable, sponge-padded shoulder straps and an adjustable chest strap with a whistle buckle, helping distribute weight and secure the backpack in place during activities. Constructed from high-quality tear and water-resistant polyamide fabric with durable SBS zippers, it promises durability and longevity, suitable for various outdoor and daily uses. While it offers good water resistance, it may not be fully waterproof in extreme conditions. Additionally, the lack of dedicated security features like lockable zippers may be a drawback for users concerned about the safety of their belongings during travel. Despite these minor shortcomings, the backpack's versatility, lightweight design, and ample storage make it a solid choice for travelers, hikers, and daily use.

The FENGDONG 40L Travel Backpack is a versatile option for hiking, camping, and general travel needs. Its 40-liter capacity provides ample space for your essentials, and the multi-compartment design, including a main zipped compartment, front pockets, and side pockets, helps keep your items organized. Made from high-density polyester, the backpack is water-resistant, durable, and tear-resistant, making it suitable for various outdoor conditions.

The reinforced stress points enhance its durability, ensuring it can withstand regular use and heavy loads. Weighing only 1.9 pounds, it is lightweight and can be folded into its own pocket for convenient storage when not in use. Comfort is a significant strength, thanks to the breathable mesh padding on the shoulder straps and back, which helps keep you cool and reduces shoulder stress during long hikes or travels.

However, being a lightweight backpack, it might not provide the highest level of support for extremely heavy loads. Additionally, while the water-resistant material offers some protection against rain, it may not be entirely waterproof in heavy downpours. Security features are not prominently highlighted, so users may need to take extra precautions for valuable items. The dark green color is stylish and suitable for both men and women. This backpack is ideal for anyone looking for a lightweight, durable, and comfortable backpack for outdoor activities and travel.

The Thule Chasm 40L in Pond Gray is designed to cater to travel and outdoor adventure needs. With a capacity of 40 liters, it provides ample space for your gear, making it suitable for weekend trips or as an additional bag for longer travels. The backpack is relatively lightweight, which aids in easy handling and enhances your travel experience. The durable, waterproof tarpaulin fabric ensures the backpack can withstand harsh weather conditions, making it a reliable choice for outdoor enthusiasts.

Comfort is addressed through its ability to convert from a duffel to a backpack, offering versatility depending on your carrying preference. The oversized, wide-mouth opening simplifies access to your items, which is particularly useful when you need to quickly grab something. Internal mesh pockets contribute to better organization by keeping smaller items sorted. However, the backpack might lack in terms of advanced security features, which could be a concern for some travelers. Additionally, while the durable material is great for rugged environments, it may be too stiff for casual urban use.

This backpack excels in durability, weather resistance, and organizational capabilities, making it ideal for those who prioritize outdoor activities and need reliable gear storage.