Alpinestars Kushitani Supertech R2 ProtoCore Leather Vented Boots - Blue Black F750GS the helmet visor has turbulators

the helmet visor has turbulators to improve aero-acoustic performance

Pillow safety release system

Variety of functions including*:

• Chinstrap cover detachable

Precision engineered silicone grommets

Alpinestars Kushitani Supertech R2 ProtoCore Leather Vented Boots - Blue Black F750GS the helmet visor has turbulatorsAlpinestars Kushitani Supertech R2 ProtoCore Leather Vented Boots Blue Black The SUPERTECH R2 BOOT, Alpinestars' signature racing boot, has been favored by numerous top riders in the Road Racing World Championships to this day, and has been developed based on that proven track record. Developed by Kushitani specifically for racing suits, ProtoCore Leather is beloved by numerous legendary riders for its supple, body adjusting properties, high mobility,