* Microfiber upper for optimal abrasion resistance while maintaining high flexibility, waterproofing, durability and improved weight. * Redesigned front flex area for improved impact abrasion while maintaining natural front and rear movement. * New front flex of injected TPU on breathable mesh area for improved ventilation and airflow for added breathability. An evolution of Alpinestars' iconic racing boot, the Honda Supertech R Boots have undergone a rigorous program of updates. The boot features a new outer shell designed to offer superior levels of protection, flexibility, durability and slide performance, along with a new inner boot with an updated construction for improved comfort and heel cushioning. The best has just got better, as almost every component of the Supertech R racing boot, worn by an impressive list of past and present champions, has undergone upgrades to refine the boot's performance characteristics. Based on feedback from the company's world-renowned racing program and collaboration with MotoGP and World SBK champions, the boot's new innovations include a redesigned front flex zone, a redesigned rear gusset, a redesigned top gaiter, a new shifter and shin plate, a new shin slider, and a new inner boot, all of which enhance the comfort, protection, and performance of the Supertech R, elevating it to a new, class-leading standard.