About This polyester Imported 【Durable Material】: This 35L ​​hiking backpack​​ is made of durable polyester and is easy to maintain. The zippers and buckles are all YKK, which is smooth and not easy to fall off. 【Lightweight DayPack】: This ​​trekking backpack​​ is equipped with 1 double zipper main compartment that can accommodate a 15.6-inch laptop, and also has a compartment for a water bag (water bladder is not included). 2 spacious front pockets + 2 side pockets + 1 waist belt pocket, which can easily access small items such as mobile phones、key and GPS. 【Comfortable and Breathable】: This ​​camping backpack​​ is equipped with breathable mesh shoulder straps and back panel, and is equipped with a large amount of sponge to relieve shoulder pressure. The chest clip with whistle buckle can perfectly disperse the weight of the backpack and keep the backpack stable and centered. 【Flexible Design】: This ​​hiking backpacks​​ features an adjustable waist belt suitable for waist circumferences of 29.92-55.11 inches, and the abdominal belt can be removed by itself. The design of the breathable sponge back panel and shoulder straps helps to relieve shoulder pressure and reduce the overall burden when hiking or climbing outdoors. 【Ideal Outdoor Companion】: This unisex backpack is specially designed for ​​men​​ and ​​for women​​, suitable for any outdoor activities including mountain trekking and wilderness camping. It's the best gift for outdoor enthusiasts and an ultimate companion among professional ​​hiking backpacks​​.