CTM Ultra Carbon Race Rebel is engineered to help you achieve your personal best over and over again. Created in collaboration with Tommy Rivs, this innovative race shoe is the perfect choice for high speed at long distances. The extremely lightweight and responsive UD Foam Pro midsole houses a tuned carbon plate to deliver extreme propulsion and efficiency in every stride. The minimal upper is a one-piece engineered mesh and the internal construction allows superior comfort in an ultra-lightweight platform.