Freshly updated Urban Ex 20L design now sports a 100% interior-welded waterproof construction with a built-in laptop sleeve. Light enough to carry anywhere, tough enough to use everywhere. • New lightweight 100% welded waterproof rolltop backpack • Knurl Welding process maximizes weld surface area & weld strength • Reflective attachment loops for U-lock & other storage • Padded sleeve fits up to a 15" device, actual size: 13.5" H x 10" W • Updated ergonomic shoulder straps & new 3D molded back panel, both designed for maximum comfort • Magnetic top close • Perfect for commuting or travel Volume: 20-25L Height: 21"-24" | Width: 11.5" top - 10.5" base | Depth: 5" Weight: 1.83 lbs (0.8 kg) Materials: 500D Nylon with PU coating on the surface and TPU backing with a 150D recycled Polyester liner