The Osprey Escapist 20 M/L cycling backpack has a specially reinforced AirScape™ back system with foam ridges that provide excellent ventilation. This Osprey sports backpack has a compartment in the back suitable for storing a water bag. The Osprey Escapist 20 M/L Backpack has a rain cover, an integrated whistle and a LidLock™ cycling helmet attachment. * volume: 20 L * material: bluesign® approved 100% recycled 210D dobby nylon with GRS certification * DWR treatment made without PFAS * dimensions: 55 x 27 x 19 cm, weight: approx. 1 kg * main pocket with two-way zip * front pocket zipped with key carabiner * zipped pocket below with removable backpack cover * two side stretch pockets * space for reservoir at the back (not included) * LidLock ™ system for attaching the helmet to the bike * compression straps * reflective elements * loop for hanging * specially reinforced AirScape™ back system with foam ridges (provides excellent ventilation) * shoulder straps and waist belt have BioStretch™ technology (prevents sweating) * shoulder straps are reinforced and height adjustable * lightly padded waist belt has two zipped pockets * height adjustable chest belt with whistle * rucksack, outdoor, hiking