Sole constructed using a lightweight rubber compound for excellent grip on the pegs Separate, internally updated bio-mechanical inner bootie made by 3D mesh material for greater structure, thus improving rider comfort Synthetic microfiber panel on medial side for enhanced abrasion resistance and improved feeling when in contact with the bike Thermoplastic Polyurethane (TPU) shifter for increased protection on lower medial side Inner bootie is equipped with a new external toe area with a soft TPU reinforcement for superior impact protection and additional ankle padding for greater protection and stability during natural movement of the foot Replaceable co-injected TPU/aluminum toe slider with an easy screw system that protects the toe area against abrasion resistance Replaceable heel plate slider design offers increased sliding performance and protection in the case of crash TPU shin plate has been redesigned for greater impact absorption performance, thus improving abrasion resistance in a key area Replaceable shin slider for additional abrasion resistance TPU stretch panel design with zip for an easier entry and exit and a closer, more optimized fit Hook and loop closure secures the puller zip remains in position Micro adjustable ratchet closure on top of boot for an optimized fit Main upper material constructed using microfiber with a dedicated laser perforation zone for optimum breathability and abrasion resistance, while also delivering high levels of flexibility Front flex area for improved impact abrasion while also ensuring the natural front and back Front flex area increases ventilation and airflow for additional breathability Redesigned rear bellow in stretch microfiber for improved natural front and back movement Redesigned top gaiter in microfiber material with TPU over injection for enhanced prehensility 3401-0757 - 6.5 3401-0758 - 7.5 3401-0759 - 8