GORE-TEX PERFORMANCE COMFORT LINING: Breathable Gore-Tex liner allows your feet to stay comfortable in changing weather conditions. VIBRAM WRAPTHREAD COMBI SOLE: A lightweight Vibram sole and the dual-density Bilight Technology midsole offer increased comfort during travel in mixed and technical terrain. 360?? FULL RUBBER RAND: Durable 360?? full rubber rand, and stiff crampon compatible midsole. ADJUSTABLE FOOTBEDS: MFF+ interchangeable footbeds adjust to the shape of your foot. IDEAL USES: Mountaineering, Alpine Climbing, Alpine Trekking. WEIGHT: 24.0oz./680g.