Everything you need and nothing you don't, the Volcom Upperclass Backpack features three main compartments, a padded laptop sleeve in the main compartment, and ergonomic, mesh lined shoulder straps for a comfortable carry. DIMENSIONS - 17.5” x 12” x 6.5” (44.5cm x 30.5cm x 16.5cm); VOLUME - 1365in3 (22.25L) 100% Polyester 600D with PUx2 backing 3 compartment backpack with lower front zipper entry compartment with internal keyclip and accessory holder Elastic compression water bottle pockets, Padded laptop sleeve in main compartment and tricot linied interior pocket Ergonomic, mesh lined shoulder straps, back panel stone logo quilt, self material zipper pull