Black Diamond Distance 15 Backpack, designed for fast and easy mountain missions is a hybrid backpack that combines an everyday backpack worthy of mountaineering, with shoulder straps similar to running vests. Shoulder straps feature Black Diamond's seamless Edge Taping technology eliminating chafing while the ventilated back panel keeps our back cool and the load is kept close to the body for climbing and moving along technical ridges. External gear holders and easy-to-reach elastic pockets keep our ice tools in place , trekking poles, gadgets and snacks on hand and the backpack is made of Dynex material, which is ten times stronger than steel by weight which provides superior durability and does not weigh us down. . It's perfect for alpine adventures combining trail running, hiking, scrambling and rock climbing and has plenty of storage space to carry us through a tough day trip or provide security between aid stations.