SHIMANO SH-R131S Road Bike Shoes, 43.5 Randall Scott - America's Premier Outdoor Company Light and stiff, carbon sole delivers maximum power transfer without the extra weight Sole is anatomically curved to provide an outstanding fit with enhanced foot stability Molded vents in the heel cup and toe cap offer excellent ventilation and breathability Dual offset straps eliminate pressure points and the micro-adjustable buckle gives you a secure fit