Come and see our amazing products! Military backpack is made of high density fabric--durable and water-resistant. 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. Molle tactical backpack has molle system, Molle webbing throughout for attaching additional tactical pouches or gear as 3 day assault pack backpack combat molle backpack. It has hydration compatible that works great for a hydration bladder (backpack didn't include hydration bladder) as hydration backpack or outdoor camping hiking backpack. Pls confirm further with us if any query about packing info, inventory status and time schedule.