The Rolltop Backpack protects you from the elements as you travel from A to Z, making it an essential urban accessory, perfect for cycling or walking to work. To keep your essentials safe from the rain, fold the roll top into a tight roll and secure it with the signature carabiner. It also features a side-accessible laptop pocket, a front zip pocket and a padded back panel. Bike-friendly features include a front D-ring – perfect for attaching bike locks – and a buckled sternum strap for a secure fit.The Rolltop Backpack is made from Rains' signature water-resistant PU fabric, designed for strength, durability and a smooth feel.Material: 100% Polyester with Polyurethane coatingBacking: 100% PolyesterWaterproof rating: W3 – Waterproof protection against light rainWater head: 8000 mmDimensions: H 48 x W 32 x D 11 cmCapacity: 13 litersWeight: 835 gFeatures:Roller-top opening with snap compression to securely close and fasten for rain protectionCharacteristic snap hook closureSingle main compartmentFront pocket with coated zipperPadded air mesh back panelSide-accessible laptop pocket holds a 16-inch deviceAdjustable, padded back strapsStrap-style carry handleAdjustable chest strap