Used once - LIKE NEW! SPECIAL EDITION - no longer available! Lightly padded stretch-mesh shoulder straps are breathable and comfy Back panel is also lightly padded Hipbelt and sternum strap can be detached Sternum-strap buckle doubles as a safety whistle Hydration-compatible design includes a hose exit port and an internal sleeve for a reservoir (reservoir not included) Drawcord closure fully covers the top opening when cinched tight Pack exterior has a zippered pocket and daisy chain with ice axe loop REI is Climate Neutral Certified; as we work to actively reduce our footprint, we measure annual carbon emissions and purchase an equivalent amount of verified carbon credits