Material: 600D ripstop polyester. Durable water repellent treatment,low-profile streamlined design, grab handle, padded adjustable shoulder straps, fully adjustable chest strap, roll-top closure, front zip pocket, two side pockets, padded breathable back panel, padded laptop compartment compatible up to 15.6", multi-purpose attachment loops, glove-friendly metal buckles, reflective detail, tear out label, capacity 18 litres. Quadra Urban Commute Roll-Top Backpack