‎Polyester

[Be an Ultralight Backpacker] - The 50L hiking backpack weighs only 1.8 pounds and is designed for hikers with premium durability and comfort. This travel backpack uses high-quality YKK zippers for extra smoothness, the durable 420D waterproof nylon fabric can prevent tearing and abrasion caused by prolonged use. An ideal pack for anyone on a 3-5 day adventure, from beginners to group leaders to veteran thru-hikers! The size of this pack is airline-approved. [Full-Contact Back Suspension System] - The HOMIEE backpack is equipped with full-contact back suspension system, which places the backpack directly against the back. The mesh back padding design consists of two large pads positioned on either side of the spine. The pad creates a large ventilation channel to ensure the circulation of air on the back, bringing you maximum stability and carrying comfort, suitable gift for hiking, mountaineering, skiing, cycling, camping, etc. [Balanced Weight Distribution on the Back ] - Widened and thickened S-shaped shoulder straps and highly elastic breathable back support can help relieve muscle soreness caused by prolonged use. The length of the shoulder strap can be adjusted, the chest strap and waist belt are designed to share the weight of the shoulders, it can be adjusted up and down, effectively avoiding the left and right movement of the backpack and reducing the discomfort caused by the left and right friction.

Durable and Water-resistant: This 40L hiking daypack is made of highly water-resistant 400D polyester fabric, YKK zippers smoothly and not easy to come off, provides long-lasting performance. In addition, it comes with a rain cover in the bottom pocket which can cover your whole pack. Large Capacity & Multi Compartment: The capacity of camping backpack is 40 liters. 1 main compartment for a 16"laptop, 3 front pockets, 2 zipped front pockets great for quick access, 2 side pockets+1 hip pockets, large capacity helps you easily organize all your essential items. Comfortable and Breathable: Breathable mesh shoulder straps with plentiful sponge padding help relieve the stress from your shoulder. The chest clip with a whistle buckle work perfectly to distribute the pack’s weight and keep it steady and centered. A must have for outdoors , hiking, camping and traveling.