Move fast & light through the mountains - as well as comfortably - thanks to the deuter Lite back system, ergonomic, perforated shoulder straps, a detachable waist belt, and 2-way adjustable sternum strap. All your gear, hydration, and food can be divided between the main compartment, front pocket and two side pockets. And it has docking loops for a helmet holder on the front, if needed. Features Attachment loops Key clip Mesh helmet holder sold separately Lite back system 2-way adjustable sternum strap Wet compartment inside Compression straps on top Adjustable & detachable waist belt Zip around opening Front pocket: mesh Top pocket with zipper closure Side pocket: mesh Perforated shoulder straps Weight - 1.04 lbs Volume - 21 liters Dimensions - 18 / 11 / 7.1 (h x w x d) in Recommended load - 4.41 - 11 lbs Back length - 17 - 21 in Body height - 62 - 77 in cm Material 140D REC PA RS * D stands for denier. This describes the yarn weight. 600D corresponds to 600 grams per 9000 meters. * PES stands for polyester. PES fibres are very tear and abrasion resistant and hardly absorb moisture. * PA stands for polyamide. PA fibres are extremely durable and abrasion-resistant. They are also characterized by high elasticity and low weight.