Its superior carry comfort is down to the deuter Aircontact back system with Air Spacer mesh and a large ventilation channel, plus ergonomic ActiveFit shoulder straps and an adjustable sternum strap. The Y-shaped frame, mobile hip fins and ergonomic lumbar pad combine to distribute the load effectively. A full-length, J-shaped zipper on the front makes contents easy to locate lower down in the main compartment. Hip fin pockets provide easy storage and keep items within reach. Stretch mesh side pockets keep bottles close at hand for hot days on the trail.