Carbon XC 12 sole with a 100% carbon fibre insert in the pedal area and a stiffness index of 12.0. The TPU inserts, strategically positioned on the sole, provide lethal traction and abrasion resistance. A dual SLW3 scale allows you to differentiate pressure in the toe area and on the instep for a precise, comfortable fit. Abrasion-resistant TPU reinforcements on the upper provide the shoe with comprehensive protection. Regular performance footbed for additional arch support. The mesh insert prevents overheating even in hot summer weather. Perforated upper material for optimum ventilation.