Specifications: Gender: Unisex (Men,Women) Occasion: Hiking, Camping, Hunting, Fishing, Trekking, Traveling, Climbing and other outdoor activity. Material: 600D Water-resistant oxford Polyester Capacity: 40L Size: 32*17*53cm * The army backpack with adjustable chest and waist belt , comfortable for heavy carrying * The backpack for men is ergonomically designed to protect the spine. * Adjustable and breathable mesh shoulder straps with plentiful sponge padding for best help relieve the stress from your shoulder. * Main storage bag with drawstrings that can expand the pack, it's roomy enough for you to put in sleeping bag, mat, hammock or shoes and luggage * You can put some name card or flag in front of the velcro, make this trekking backpack more personalized * D shape buckle on the shoulder strap and molle expansion system can be used to load pockets , water bottle pouch , accessory kits and others. * This military backpack is 40L volume, enough for you to carry most of stuff you need during long travel. * Suitable for hiking, camping, trekking, hunting, travelling, gym, cycling, motorcycle, running, sports, school, tools bag, outdoors and so on. Package include: 1 * military backpack