Alpinestars Supertech R Vented Motorcycle Boots, black-red, size 45

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 extensive perforations throughout for maximum airflow, innovations derived using feedback from Alpinestars involvement in top flight racing 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 shin plate redesigned for greater impact absorption, improving abrasion resistance in key areas• New replaceable shin slider for additional abrasion resistance• New TPU stretch panel design with zip for easier entry and a closer, optimized fit• Hook and loop closure secures the puller zip in position• Micro-adjustable ratchet c