Please click for the La Sportiva Size Conversion. Climbing Magazine 2009 Gear Guide new and notable award winner. Scale that wall like a pro in a pair of these TC Pro climbing shoes from La Sportiva. The ultimate technical Yosemite big wall free climbing shoe developed in collaboration with Tommy Caldwell. Designed to provide powerful, technical edging and crack climbing prowess without compromising either. Combination leather and Vibram rubber rands upper. Thin padding in the ankle and above the toes protects you in the cracks. The toes-flat fit is perfect for comfortable crack climbing and the ventilated tongue and lateral rand perforations promote air-flow. Unlined under the foot. Combination Sentex, PU foam and Airmesh on tongue. Patented P3 (Performance Power Platform) with 1.1mm LaspoFlex midsole delivers sensitive yet powerful edging abilities. PD55 Slip last construction. Mid-height cut covers the malleolus during crack climbing. New Vibram rubber outsole compound for excellent edging and the XS Edge compound holds an edge better on sharp micro edges. Weight of footwear is based on single item, not the pair.