The Deuter Aircontact back system features an Air Spacer mesh and a wide ventilation channel, comfortable shoulder straps, movable hip fins, and an ergonomic lumbar pad, ensuring high carrying comfort and optimal load distribution. A continuous, J-shaped zipper on the front allows for quick and easy access to items deeper in the main compartment. Removable 3-liter hip fin pockets provide additional storage space and keep items within reach. A removable 1.5-liter bottle holder lets you stay hydrated on the go.