Mavic cxr ultimate shoe coverthis unique soft shell cxr ultimate shoe cover completes the full cxr aerodynamic outfit its mavics fastest aero shoe cover designed to increase your speed to create the lowest possible aerodynamic drag theyve given it a longer ankle while the soft shell construction creates a really precise fit around the foot to help airflow the result is the faster you go the more advantage you get and unlike some top aerodynamic gear you dont need a support team to pu