Deuter Airlite 22 Hiking Backpack, Stone/Black Deuter Aircomfort FlexLite System Anatomically formed shoulder straps with perforated foam and large-celled 3D AirMesh lining to make them airy Twin-frame construction gives the Aircomfort Flexlite System its special lightweight properties at the same time as guaranteeing excellent flexibility and ergonomic fit Load adjustor straps enable exact backpack positioning Anatomically shaped, sturdy hip fins transfer the load to the hips