Carbon XC 12 Sole with full-carbon insert in the pedal area and a stiffness index of 12. TPU inserts in strategic points ensure high traction and outstanding wear resistanceThe BioMap unibody construction upper has a more anatomical wraparound design that minimizes energy loss to the pedalsTPU thermowelded reinforcements for added protectionDouble SLW3 dial the only dial with step-by-step and full release in a single button for optimal pressure distributionPerformance Regular footbed provides greater support