34" unique Enduroflex™ frame. Adjustable top loading main compartment. 4 side pockets, 1 holds a 32 oz. Water bottle (sold separately). Top and side compression. Reflective trim on front. Contrast color webbing/zipper pull. Mesh suspension system keeps you cool. Ultra padded shoulder traps and hip belt. Top and bottom lashing tab. Single front pocket with lid. Advance organizer holds 2 way radio and other accessories. Removable key holder. 4860 cu. In. Size: 29" H x 15" W x 7.5" D.