Alpinestars Supertech R V2 Vented Boots - Red Fluro RedAlpinestars Supertech R V2 Vented Boots Almost every component of the Supertech R Vented 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. Features: Main upper material constructed using microfiber for optimum abrasion resistance, while also delivering high levels of flexibility. Dedicated laser perforation zone for