The back shoe pocket makes this backpack one of a kind. * Product Material: 70D X210T ripstop nylon fabric * Product Weight: 0.66 lbs. * Back shoe pocket * Internal organizer * Padded mesh back * Shoulder straps with perforated foam core and high quality mesh overlay * Dual side velcro top load pockets * Top fleece lined media pocket * Front weather proof zip pocket * Large main zip compartment * Lightweight structural piping