The camelbak arete 22 hydration hiking backpack is a great companion for your minimalist adventures as well as for peak bagging and travelling and offers crux reservoir with 25 litre 845oz capacity an ergonomic handle and an onoff lever to prevent leaks the backpack is not only sleek and ultra lightweight but also quickly and easily transforms into a reservoir sleeve to keep the water supply insulated and secure within a larger pack it features an adjustable sternum strap a lightweigh