The Black Diamond Swift caters to the fast-and-light skier who wants a performance boot for the turns she's earned. From mellow skin tracks to all-out ski mountaineering, this dynamic boot is engineered throughout with women's-specific fit details for a comfortable, responsive fit out of the box. Minimizing weight is a unique 3.5-buckle design that skis with the stiffness and control of a 4-buckle boot. State-of-the-art construction keeps weight to an absolute minimum, while our revolutionary Pivoting Cuff Technology delivers the ultimate combination of freedom of motion in walk mode and instant power transfer in ski mode. Features: Female-specific liner construction Lightweight (1.52 kg each) 3-buckle alpine touring boot with 4-buckle performance Triax Pivot Frame with Flex 100 and unmatched 40° of resistance-free touring motion Women's Efficient Fit AT Light Liner with lightweight Boa closure system Rockered, rubber outsole with integrated tech inserts provides dramatic grip and durability Specs: Series: Efficient Alpine Touring Weight Per Pair: 3.04 kg, 6 lb 11 oz (size 25) Boot Liner: Women's Efficient Fit Light AT Frame Technology: Triax Pivot Flex Index: 100 Forward Lean: 14 or 18º Shell Material: Pebax Cuff Material: Polyolefin Buckles: 3