The Rotsoord backpack fits snugly against your back. It is easy to keep the load close to the body, especially since the padded computer compartment is located right next to the back panel. An additional zipper frees up extra space - by opening it, the backpack expands to 30 liters. - Airy Airstripes carrying system - Removable hip belt, adjustable chest strap - There is a document pocket inside - Flap pocket and key clip - Dedicated phone pocket on the side of the backpack - The computer compartment has its own zipper, and can fit a 15" computer - Helmet holders - Rain cover as standard equipment - The product does not contain PFC - The fabric is durable 130 denier polyamide