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, bluesign(R) product is made from 100% recycled PET bottles (24 x 0. 5-liter bottles) and according to bluesign(R) standards.