All leather BOULDER X MID GTX's are best for fast & light alpine rock adventures. Hike to your favorite bouldering area or scramble up easy 5th class climbs, then cruise the descent. Climbing shoe inspired - BOULDER X MID's are roomy in the toe box and fitted with a full suspension micro porous EVA midsole and 2 mm polypropylene shank for on-and-off trail comfort. When it's time to climb - tighten the trick MYTHOS lacing system to both lock your heel in and also drive your foot forward - increasing technical performance and security. Nice touches include GoreTex lining to keep you dry, with high mesh collar to keep grit out, self centering tongue and the Vibram Idro-Grip V-Smear sole - w/ Impact Brake System - for top traction up or down. Get this boot for high Sierra traverses, Rocky Mountain peak bagging and back packing trips with some bouldering on the side. Delivered anywhere in North America.