2000 cu. in. of storage. Main compartment offers easy access with front and map pockets. Special hydration compartment accommodates a 100 oz. reservoir (not included). Four adjustable external compression straps adjust to various loadouts with five internal tie-down loops. High-tenacity 210/330 denier nylon and 210 denier ripstop nylon construction. Exterior of the entire pack is covered with S.T.R.I.K.E. webbing. Padded shoulder straps. Main compartment dimensions: 20″ x 13″ x 6″. Top front pocket dimensions: 14.5″ x 12.5″ x 2.5″. Color: Black. Bulk packed.