Outer side: - Upper material made of perforated microfiber - New custom-fit Forma sole made of natural rubber with double density, abrasion-resistant and extra grippy to meet the demands of aggressive riding on the racetrack. - Optimal protection for the ankle and calf through the new V.F.S (Vertebra Flex System) safety system - V.F.S reinforced with a double pivot system to prevent unusual twisting in the event of an accident while ensuring flexibility. - Soft plastic collar at the top of the boot with air intakes that prevent the entry of insects and dirt. - Ergonomic, shock-absorbing front reinforcement made of PU material for increased comfort and safety - Shin, calf, and heel protection made of injected, molded plastic - Heel insert made of shock-absorbing gel. - Titanium sliders in 3 areas: toes, rear heel, and side heel. - Polyurethane protection for selectors - Side air intakes with A.I.S (Air Intake System) adjustable ventilation system. - Micro-adjustable buckle closure at the calf - Velcro and zipper (with elastic area in the ankle region to facilitate putting on, provide more comfort, and improve fit). Inner side: - Red lining made of breathable Air Mesh. - Polymer padding with memory foam - Dual Flex TPU sole with shock-absorbing felt covering - Replaceable, antibacterial insole with A.P.S. system (Air Pump System). New I.F.S. (Internal Fastening System) foot retention system through double foam padding and adjustable elastic rapid lacing to enhance comfort and grip.