NON-DIN SOLES: Same as the winning R9.3 150 but in a 110 flex. The R 9.3 has podiumed in both speed and tech events, proving itself to be one of the most versatile boots on the World Cup circuit. The R9.3 has exceptional touch on the snow and a smooth progressive flex pattern. Featuring a true 93mm last plug shell, athletes get unsurpassed power transmission and the fit they demand. Be warned, this is the real deal World Cup experience. This boot will improve your performance, if you can hang on! Liner: WC Lace-up.