Oakley 28L Street Pocket Backpack 600D 91/9 polyester/polyurethane. 70D ripstop nylon lining. Padded internal laptop and tablet sleeves. Padded shoulder straps and back panel with mesh inserts. Sternum and compression straps. Three external zippered pockets. Two side pockets. External front lower zipper pocket. 11 2/5 W x 17 3/4 H x 6 3/4 D