Topeakmart Tactical Military Assault Rucksacks Outdoor Camping Trekking Backpack Made by highly intensive oxford fabric material and heavy duty nylon material. Large capacity with 4 double-zippered compartments and inner pouches/pockets. 1 main compartment with one interior mesh and one zippered pockets. 1 secondary compartment with a double-layered pocket. 1 small upper front pocket and 1 larger lower front pocket.