ve 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 and two side pockets. And it has docking loops for a helmet holder on the front, if needed. Features Mesh helmet holder sold separately Key clip Lite back system bluesignA(R) certified body fabric Wet compartment inside Adjustable & detachable waist belt Zip around opening Top pocket with zipper closure Side pocket: mesh 2-way adjustable sternum strap Perforated shoulder straps Attachment loops Made without PFAS Green Button certified product ClimatePartner certified product bluesignA(R) product Recycled body fabric 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.