Osprey Sopris 20 women's ski mountaineering backpack is technical, light and designed to last over time. Sopris 20 offers an accurate and stable fit specific to the female build and is equipped with numerous functions. The materials for its construction have been chosen to make the tool as light as possible when you find yourself facing a grueling ascent and to allow the body to move dynamically during demanding descents. Tricks that save you energy for the moments when you need it most. Osprey Sopris 20 women's ski-mountaineering backpack