DURABLE & COMFORTABLE Made of 1000D polyester fabric, high density, durable and water-resistant. Designed with double stitching, durable and heavy-duty 2-way zippers and utility-style cord pulls, side and front load compression system. Backpack with breathable shoulder straps and back, thick mesh padding, an adjustable waist belt and a high chest strap provide breathability and comfort, making the load light. When cycling, it is not easy for the military tactical backpack to fall off.LARGE CAPACITY Size: 11.8 x 11 x 18.9 inches / 30 x 28 x 48 CM (L x W x H), capacity: 40L, weighs only 1.25 kg. This military tactical backpack can be used as a 3-day assault pack, travel and camping backpack, molle backpack, bug out bag backpack, shooting range bag, combat backpack, emergency backpack, army backpack, survival backpack, hunting backpack, fishing backpack, hiking backpack or trekking backpack. It is a multifunctional backpack suitable for outdoor activities for both men and women.MOLLE SYSTEM The outdoor molle backpack has multiple molle straps on the front and side for attaching additional tactical pouches or outdoor gear to expand space. Two D-rings on the shoulder straps can hang hunting accessories. And the straps at the bottom can be used to hold a tent, sleeping pad or rolled-up mattress.HUMANIZED DESIGN Comes with a flag patch. Magic sticker straps on the front allow any patches to be attached. Our military backpack is compatible with hydration systems that can hold a 3L hydration bladder (hydration bladder NOT INCLUDED). On top of the straps there are elastic bands used as holders to fix the bladder's hose, it works great. More suitable for this hot summer when you go out! A good hydration backpack or outdoor camping hiking backpack.MULTIFUNCTIONAL Includes 2 main compartments, 2 front two-way zippered pockets, multiple internal pockets and compartments, a large anti-theft pocket on the back can hold a hydration bladder (hydration bladder NOT INCLUDED). This molle assault backpack can hold a 17-inch laptop, books, clothes etc. A great gift to give to family and friends. The rucksack is great for backpackers, hikers, travelers etc.