HIGH QUALITY MATERIAL: Hiking backpack is made of high quality ripstop 210d nylon fabric, which is waterproof, ripstop, scratch resistant and abrasion resistant. Additionally, we're giving away a rain cover with a transparent silver reflective logo. It is carried in a small pocket under the backpack. So there is no doubt that everything will stay dry in the rain. Take this outdoor backpack with you no matter the weather.Ergonomic and Comfortable Design: Thick padded back, ergonomic breathable design with adjustable, breathable and padded shoulders help reduce fatigue during long hikes. This hiking backpack features an ergonomic loop handle for low effort and durability. The adjustable chest buckle perfectly distributes the weight of the bag and keeps it stable and centered. The chest buckle is designed as a survival whistle for quick and easy use in emergency situations.LARGE CAPACITY AND MULTIPLE COMPARTMENTS: This trekking backpack offers multiple pockets for easy storage and organization. Roomy backpack with roomy zipped main compartment, 1 top pocket, 3 front zipped pockets, 2 waist zipped pockets and 2 mesh side pockets. Additionally, a waterproof moisture pocket has been added to the main compartment for better separation of sweaty clothes or other personal items after swimming or working out.Unique functional design: The camping backpack is printed with reflective logo to remind safety. There are elastics and fasteners on the sides of the backpack to hold 2 sets of trekking poles, and the webbing design can be adjusted as needed. There is a headphone jack on the top of the backpack, allowing you to enjoy music. There is a Velcro to secure the hydration liner in the main pocket, and there is a hydration hole at the top of the pack for assembling the hydration system.LIGHTWEIGHT - EASY TO CARRY: The 40L trekking pack is lightweight, and the breathable mesh shoulder straps and rich foam padding help relieve shoulder pressure. The large capacity of 40 liters provides enough space for outdoor travel, camping, hiking and fishing. It meets the size requirements of most airlines. This camping backpack can be used as a trekking backpack, travel bag and business bag for both men and women.Shoulder strap type: shoulder strap