The Mammut Lithium Speed 15 Pack for Women is specifically designed for a woman's shape and is a small, lightweight powerhouse of features. Featuring a panel loader design, a 3D EVA foam back panel has air channels for excellent ventilation, and very light, highly breathable shoulder padding keeps you comfortable for the long haul. A large main compartment with zipper and a multitude of other pockets make sure you can store everything you need close at hand. Gear loops and straps let you stow your poles, and pull forward hip belt adjuster makes sure everything fits snuggly. The Lithium Speed 15 Pack is also hydration system compatible.