The Koflach Degre is a workhorse of a boot that combines the weight and fit of an Intuition liner with the incredible comfort and performance of the Koflach Y Technology shell. Rugged and warm shell liner construction. Vario cuff articulation allows natural fore and aft flex. Rubber randing absorbs impact and improves climb ability. Steel roller lacing provides unequaled tightening without exertion. Vibram Dhaulagiri sole is optimal for high alpine use combining climbing 'zones', stability 'zones' and brake 'zones' for true all mountain function. Y Technology combines rigid plastic for support and secure crampon attachment with supple plastic for ease of lacing and natural walking comfort Pebax plastic is light and strong in any temperature. Weight: 2 lbs. 6 oz. one boot, size 8.5.