Water resistant 315D Cordura® nylon crinkle twill with embossed logo lining. Main zip compartment with single layer laptop sleeve and interior zip pocket. Front zip compartment, top zip pocket and elastic side pockets. Padded mesh back panel and compression straps with buckle closures at straps and sides. Woven logo webbing bands at straps and front. Logo D-Ring tabs and woven logo label at front. 21L.