The Alpinestars Supertech R Motorcycle Boots are designed for ultimate racing performance. Key features include a main upper constructed from microfiber for optimum abrasion resistance and flexibility. A new front flex area enhances impact abrasion resistance while ensuring natural movement. The redesigned top gaiter is made of microfiber material with TPU over-injection for improved grip. Alpinestars' ultimate racing boot, worn by champions, has undergone rigorous upgrades to sharpen its performance. Innovations include a redesigned front flex area, revised rear bellows, a new top gaiter, revised shift lever and shin plate, a new shin guard, and a new inner boot. These elements elevate the boot's comfort, protection, and performance to a new, industry-leading level.