Featuring ergonomically formed, padded shoulder straps and an adjustable hip belt, and with the reduced contact surface of deuter&';s Airstripes back system to generate maximum ventilation and carry comfort. The main compartment has a drawcord closure for quick access and roll-top extendable capacity that&';s zipper secured. Inside it has a document pouch and laptop sleeve for more organized packing. The PFC-free fabric of this Green Button-certified, bluesignA(R) product is made from 100% recycled PET bottles (24 x 0.5-liter bottles) and according to bluesignA(R) standards. Airstripes System ergonomically padded shoulder straps Removable sternum belt Adjustable sternum belt Removable hip belt Volume expansion Load adjustment strap Separate bottom compartment with removable base Zip-in organizer unit for a tablet, documents etc. with padded laptop sleeve (16a ) Key clip Zipped access at the back Stretch side pockets PFAS free Green Button certified product bluesignA(R) product ClimatePartner certified product 100% recycled PET material 150D PES bluesignA(R) certified 300D PES RECYCLED Weight 2.73 lbs Volume 34 + 5 liters Dimensions 21 / 13 / 8.3 (h x w x d) in Recommended load 8.82 - 18 lbs Back length 15 - 21 in Body height 62 - 77 in