The versatility of freeride boots combined with the capabilities of alpine bootsenjoy both uphill and downhill! The Shift Alpha Boa 130 is ideal for expert skiers The Freespine structure in the rear creates a firm, progressive feel, while the Exobelt design and Boa tightening system ensure a secure fit. The Boa adjustment uses a simple and highly precise dial. Tech inserts allow these boots to be compatible with touring bindings. - TwinLock System offers a 55º range of motion in uphill mode - PowerWedge in the Freespine structure adds support in ski mode and frees the cuff in walk mode - Polymer material at the boot hinge provides a natural feel in uphill mode - GripWalk sole pads make walking easier, with Contagrip material in between - 98 mm last - 45 mm 360° power strap - Two aluminum buckles - Thermosoft liner