Alpinestars Supertech R Vented Boots - Black socks Designed with a flexion channel

Designed with a flexion channel through the shell that allows the shell to bend with the elbow

Multi-fabric shell construction with mesh panels on chest and sleeves for improved cooling performance

Tongue and collar padding provides high levels of comfort and an excellent fit around the ankle and instep

56% polyester / 43% cotton / 1% polyurethane

Alpinestars Supertech R Vented Boots - Black socks Designed with a flexion channelAlpinestars Supertech R Vented Boots Black 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. Featuring extensive perforations throughout for maximum airflow, innovations derived using feedback from Alpinestars involvement in top flight racing include a newly redesigned