Alpinestars Kushitani Supertech R2 ProtoCore Leather Vented Boots - Black Tracer 7 The entire ventilation system works

The entire ventilation system works seamlessly together to prevent overheating

A separate 5 liter compartment can house a hydration pouch or any other kit that needs quick access through a heavy duty zipper

1/2 size insert for fine tuning fit

5 Helmet clamps

Alpinestars Kushitani Supertech R2 ProtoCore Leather Vented Boots - Black Tracer 7 The entire ventilation system worksAlpinestars 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