A ski/walk mechanism makes switching from downhill to tour mode super easy, and also results in a more robust overall system. Range of motion is 37 degrees, impressive for a boot with a 120 flex index and a weight of 3 pounds, 7 ounces. Other new features include a stouter power strap with a cut-out that makes adjustment a snap, and updated buckles, which are oversized for ease of use. Finer points include SCARPA's innovative Axial Alpine tongue design, polyamide construction, which contributes to the stiff flex, Quick Step® tech fittings and a stiff SCARPA Intuition liner. These hard-charging boots are designed for backcountry skiers who like to drive big skis or seek out steep descents, but want no compromises on the up track either.