●Waterproof: waterproof backpack designed for daily adventures in wind and weather. Safe and dry transport of your belongings thanks to waterproof material and matching zips. ●For cyclists: ideal for cycling thanks to waterproof material as well as padded and ergonomic shoulder straps. Soft back panels provide comfort when wearing. ●FLEXIBLE SIZE: The roll-top function allows flexible size adjustment from 18 to about 23 litres and various colour options match your personal style. ●Plenty of storage space: a spacious main compartment, a padded laptop compartment for 16 inch devices, and two other small pockets for notebook, wallet, smartphone, keys and more. ●Dimensions: 47 x 28 x 14 (61 x 28 x 14) cm; weight: 870 g