The enveloping upper shoe with function-specific zones and scientifically optimised materials ensures an outstanding fit and pedalling performance. The lower twist lock is also secured against unintentional release due to impact. The lightweight Ultread XC rubber outsole with a special tread pattern offers outstanding grip during the race. The flat midsole stabilises the foot and optimises power transmission. The heel cap with anti-twist protection ensures optimum foot positioning during strong acceleration and high cadence.