Alpinestars Supertech R Vented Boots (Black/White) Size US 13 / EU 48 A3 3 shell sizes for the

3 shell sizes for the lightest

SPRINT ULTRA is our pinnacle race and gravity product group

Developed in collaboration with the world’s foremost leaders in helmet safety

Furthermore

Easy use flip up chin bar

Alpinestars Supertech R Vented Boots (Black/White) Size US 13 / EU 48 A3 3 shell sizes for theAlmost 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 front flex area, a redesigned rear bellow,