X-Bag Outdoor Tactical Backpack Military for Hiking and trekking Military Tactical backpack size approx.:13"*20"*11" / 33*50.5*28CM (W*H*D),Capacity: 40L; Military backpack is made of 600x600 Density fabric, durable and water-resistant. Military assault pack backpack with double-stitched, Heavy duty zippers and utility-style cord pulls, Side and front load compression system, Ventilated mesh padded back area & shoulder strap,breathable and comfortable. Tactical assault backpack has molle system, Molle webbing throughout for attaching additional tactical pouches or gear as 3 day assault pack bug out bag backpack molle hunting backpack. Military backpack has hydration compatible that works great for a hydration bladder (backpack didn't include hydration bladder) as hydration backpack or outdoor camping hiking backpack. Tactical assault pack backpack can be used as 3 day assault pack, bug out bag backpack, range bag, hunting backpack, survival backpack, army backpack, trekking backpack or daypack for daily use