Run, bike, climb, hike - if you need a versatile pack that is super lightweight and comfortable to carry then look no further. This high-spec, multi-use backpack is constructed using very strong, lightweight fabrics and components. New molded and adjustable mesh back promotes ventilation and increases comfort and stability. Sternum strap with whistle, Side compression, Internal zippered pocket, Hydration compatible, Key clip, LED light loop, Adventure race tow loop, Raincover, and Stowable ice axe loops.