ALPINESTARS Supertech R Boots - Black/White/Red - US 10.5 / EU 45 2220021-123-45 Alpinestars Supertech R10 as well as a close

as well as a close and comfortable fit

Internal Air Channel - Improved ventilation with an enhanced air extraction system

Wide heel counter with lateral ventilation extends to the ankle and is combined with a shock absorbing padded insert and self-molding ankle reinforcement

the shield opens and closes smoothly even with the much lower shield mount position

Dual compound front and rear layout applied on state-of-art profiles combine outstanding racetrack performance with ultimate riding pleasure on road

ALPINESTARS Supertech R Boots - Black/White/Red - US 10.5 / EU 45 2220021-123-45 Alpinestars Supertech R10 as well as a closeSupertech R Boots Black White Red US 10. 5 EU 45 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