100% Nylon ripstop. 1500mm PU water resistant coating. 100% polyester lining. 24-26 Litre backpack. 'Airmesh' padded backing. Curved ergonomic padded shoulder straps. Metal tension hooks. Woven label. Adjustable elastic cord and webbing systems. Side bottle holders. Internal padded laptop sleeve. Skateboard holder compatable up to 9" deck. Key hook. YKK zippers. Bottom hidden 'stash' pocket.