A versatile workhorse for alpine tours the Peak 45L Backpack features a setup for our long-haul backcountry ski snowboard or snowshoe pursuits. The SWISSWOOL 3D suspension system features a close-fitting back panel with metal struts to evenly distribute the load and a wool fleece contact lining that provides excellent temperature-regulating abilities. The result is a stable and comfortable fit for the day's ascents.