Alpinestars Supertech R LE Martinator R01 Vented Boots KTM 350 XC-F A flexible white silicone tube

A flexible white silicone tube fits alone the base of the helmet with VELCRO® brand closure loops which fix to the inside of the helmet under the cheek pads

most importantly

protection features such as the carbon fiber knuckle guard

KARBONITE™ MESH IS OPEN FOR EXCEPTION AIRFLOW

Alpinestars Supertech R LE Martinator R01 Vented Boots KTM 350 XC-F A flexible white silicone tubeAlpinestars Supertech R LE Martinator R01 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. Featuring extensive perforations throughout for maximum airflow, innovations derived using feedback from Alpinestars involvement in top flight racing include a