ALPINESTARS Supertech R Boots - Black/Red - US 9.5 / EU 44 2220021-1236-44 PowrFlo Air Intake Works great with the "GravesSpec"

Works great with the "GravesSpec" FTEcu map and when activated allows for smooth downshifting without using the clutch

Laser cut vent holes

Front flag logo graphic and Jersey hood lining

NOTE: Passes AMA/FIM sound regulations

Aluminum construction

ALPINESTARS Supertech R Boots - Black/Red - US 9.5 / EU 44 2220021-1236-44 PowrFlo Air Intake Works great with the "GravesSpec"Advanced microfiber upper construction for lightweight high performance protection and superb levels of flexibility Front flex area is constructed with a soft microfiber for improve abrasion resistance and natural forwards and backwards movement TPU for breathability and airflow Flexible accordion microfiber on Achilles gives enhanced natural movement Strategically positioned ventilation area in heel and shin Outside entry exit has stretchable