Alpinestars Supertech R Racing Boots 2220021-3029-46

Almost 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 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 comfort, protection and the performance of this boot to a new class-leading high.Features:- New 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.- New replaceable heel plate slider design offers increased sliding performance and protection in the case of crash.- 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.Highlights:- Main upper material constructed using microfiber for optimum abrasion resistance, while also delivering high levels of flexibility. - New front flex area for improved impact abrasion while also ensuring the natural front and back.- New 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.- New synthetic microfiber panel on medial side for enhanced abrasion resistance and improved feeling when in contact with the motorbike.Construction:- According to European statutory law the CE mark is a conformity requirement for the marketing of this product. The following standards apply: CE EN13634:2017.- 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, stability and cushioning 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.- New TPU shifter for increased protection on lower medial side.- New TPU shin plate has been redesigned for greater impact absorption performance, thus improving abrasion resistance in a key area.- New replaceable shin slider for additional abrasion resistance.