DESC: Two large main compartments with easy-access asymmetric openings. Front organizer compartment with molded pockets and removable key fob. Easy-access padded computer pocket holds a 17" notebook computer. Open pocket inside the main compartment. Large gusseted side pocket hold water bottles, shoes or extra gear. Hanging media pocket with integrated headphone port. Removable, deluxe media pocket holds various sizes of cell phones, PDAs and MP3 players. Deluxe, S-shaped Vapel mesh AirFlow padded backpack straps with adjustable sternum strap. Removable, deluxe media pocket holds various sizes of cell phones, PDAs and MP3 players. Integrated, tuck-away waist belt. Materials: Duraweave, Reverse Ripstop.