GI Plus Cfp 90 Combat Pack is made up of 1000 denier tough-as cordura nylon material. Better than military specification. Replica of us military pack. Rugged aluminum internal frame. Adjustable padded shoulder straps with sternum strap. Zippered sleeping bag access. Drawstring collar closure. Super padded kidney pad and lumbar support. Huge side pockets. Side compression straps. Top grab handle. Also knows as the ultimate military backpack! A favorite of military personnel, campers, bicyclist, hikers, fisherman, outdoors men, and much much more. From the look of this bag you can fit months of living supplies in it.