600 denier polyester and synthetic leather. Internal sleeve for 15 laptop. Bottom and finishing elements in premium synthetic leather. Two large main compartments. Ergonomic S-shaped shoulder straps. Front utility pocket with compartments. Fully padded back panel. Discreet zippered pocket at front. Side pocket for water bottles. Zippers with drawstring. Handle strap. 34 liters. 17.5 x 13 x 10 in.