Contoured harness design with more precise chest adjustment means pack rides more smoothly when you move * 10-liter internal sleeping bag compartment and external sleeping bag straps give you more choices for stowing gear * Top and bottom access to main compartment for convenience. Built in rainfly included with each pack. * Unzip false floor to connect sleeping bag and main compartments for larger cargo space * Padded double wishbone waist wings with independent top and bottom hip adjustments offer a more customizable fit