• 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 55L 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