Main upper material constructed using Microfiber for optimum abrasion resistance, while also delivering high levels of flexibilityNew front flex area increases ventilation and airflow for additional breathabilityAlmost every component of the Supertech R Boot, Alpinestars definitive racing boot as worn by a roster of champions past and present, has undergone a rigorous program of upgrades to sharpen its performance features even further. Featuring innovations derived using feedback from Alpinestars involvement in top flight racing, key elements include a newly redesigned front flex area, a redesigned rear protection and the performance of this boot to a new class-leading high bellow, a redesigned top gaitor, a new shifter and shin plate, a new shin slider and a new inner bootie, all of which enhance the comfortNew front flex area for improved impact abrasion while also ensuring the natural front and backNew synthetic microfiber panel on medial side for enhanced abrasion resistance and improved feeling when in contact with the bikeRedesigned top gaiter in microfiber material with TPU over injection for enhanced prehensilityNew TPU shifter for increased protection on lower medial sideRedesigned rear bellow in stretch microfiber for improved natural front and back movementNew replaceable shin slider for additional abrasion resistanceNew TPU shin plate has been redesigned for greater impact absorption performance, thus improving abrasion resistance in a key areaHook and loop closure secures the puller zip remains in positionReplaceable co-injected TPU/aluminum toe slider with an easy screw system that protects the toe area against abrasion resistanceNew TPU stretch panel design with zip for an easier entry and exit and a closer, more optimized fitSole constructed using a lightweight rubber compound for excellent grip on the pegsMicro adjustable ratchet closure on top of boot for an optimized fitNew replaceable heel plate slider design offers increased sliding performance and protection in the case of crashSeparate, internally updated bio-mechanical inner bootie made by 3d mesh material for greater structure, thus improving rider comfort
