Morph Carbon 12 AAS sole with full-carbon insert in the pedal area with a stiffness index of 12.0. 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 foot. Speedplay adapter compatible for the shortest distance between pedal and foot. Biomap unibody upper made of ultralight microfiber specific for triathlon2 straps with upper velcro for side locking.