The first trip will prove it: this backpack makes your life lighter! Compact design and 11-litre packing volume make the AirFlex 11 a full-featured yet sleek and waterproof pack with convenient roll closure. The Flex-Wire system with comfortable padding offers real carrying comfort. The adjustable compression cord serves for fixing a bike helmet or light jacket. Two outer pockets (not waterproof) offer space for small items which should be quickly accessible. Two reflectors ensure good visibility in the dark. The AirFlex 11 also features a fixing loop for a rear light.Key Features:Removable valuables pocket.Snap hook for keys.Space for optional hydration system.