The rugged, full sized Geo Pack backpack is constructed of tough nylon cloth with a 5,200 cubic inch main compartment and will hold up to 80 lbs. Features: Fully adjustable suspension system, internal aluminum frame, adjustable padded hip belt, heavy duty zippers, a zippered bottom compartment big enough to hold extra gear, and heavy duty side pockets for storing radios or water bottles. Color: Black Measures: 25" long x 15" wide.