Morph Carbon 12 AAS sole with full-carbon insert in the pedal area with a stiffness index of 12.0.The exclusive Anatomical Arch Support® made of TPU, allows the shoe to perfectly shape on the bow arch, making it the ideal sole for any type of footSpeedplay adapter compatible for the lowest stack height between foot and pedalThe unibody construction matches strategically placed large mesh inserts with ultrathin reinforced materials to deliver unrivalled breathability and targeted stabilityThe asymmetric lacing removes pressure from the top of the foot for the optimum snug fitSLW3 dial plus extra strap: the only dial with step-by-step and full release in a single buttonPerformance Regular footbed provides greater support