Alpinestars Supertech R Vented Boots

The top of the food chain in racing boots!! Almost every component of the Supertech R Vented Boots, Alpinestars' definitive racing footwear worn by champions past and present, has undergone a rigorous program of upgrades to further enhance their performance features. Extensive perforations throughout maximize airflow, while innovations derived from Alpinestars' top-flight racing involvement include a newly redesigned front flex area, rear bellow, top gaiter, shifter and shin plate, shin slider, and inner bootie. These enhancements elevate the comfort, protection, and performance of these boots to a new class-leading high. Main upper material constructed using microfiber with a dedicated laser perforation zone for optimum breathability Front flex area for improved impact abrasion resistance Redesigned rear bellow in stretch microfiber for improved front and back movement Redesigned top gaiter in microfiber material with TPU over injection Synthetic microfiber panel on medial side for enhanced abrasion resistance TPU shifter for increased protection on lower medial side Redesigned TPU shin plate for greater impact absorption performance Replaceable shin slider TPU stretch panel design with zip for easier entry and exit, along with a more optimized fit Hook and loop closer secures the zipper pull in position Micro adjustable ratchet closure on boot top Replaceable co-injected TPU/aluminum toe slider with simplified screw system Replaceable heel plate slider design Lightweight rubber compound sole Bio-mechanical inner bootie with TPU-reinforced external toe area CE EN13634:2017