Alpinestars Kushitani Supertech R2 ProtoCore Leather Vented Boots - Black Yamaha XSR900 smooth and strong shell design

smooth and strong shell design to ‘glance-off’ and spread impact forces

Inner silencer material : Titanium

Premium surface finish

2 rear extractors vents built into spoiler

is designed to take advantage of maximum ventilation with the vents open

Alpinestars Kushitani Supertech R2 ProtoCore Leather Vented Boots - Black Yamaha XSR900 smooth and strong shell designAlpinestars Kushitani Supertech R2 ProtoCore Leather Vented Boots 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, and