The RCR (Racer) shoe is designed to satisfy the most demanding riders, competitors and enthusiasts alike. Comfortable fit: Reinforced mesh upper, flexible and solid, to eliminate pressure points. Rigidity: 100% carbon sole to better transfer your power to the bike. Fit: The habu® Fit System with double Li2 disc, guarantees very precise adjustment. Breathability: Sole features two ventilation openings for air flow.