Fabric: Durable recycled polyester fabric Dual main compartments Back zip-up 15" computer compartment Multiple side pockets 1 top pocket Straps: Ergonomic shoulder strap Padding: Padded back Panel Skate strap and music port Size: 18.5" [H] x 13.3" [W] x 7.8" [D] / 47 [H] x 34 [W] x 20 [D] cm Volume: 32 L capacity