This tough master of organization has multiple compartments and pockets for clever storage solutions and speedy access to gear. The lid also detaches and doubles as a day pack to give it added adaptability. The deuter Aircontact back system with VariSlide length adjustment, plus wrapping VariFlex hip fins, and pivoting ActiveFit shoulder straps create a tailored fit. Add the stabilizing Y-shaped aluminum frame and lumbar pad with breathable Air Spacer mesh give it outstanding carrying comfort.