ALPINESTARS SMX1-R V2 Boots - Black/Red - US 10.5 / EU 45 2224021-13-45 EGT-02 Sensor In the sleeve construction maximizes

In the sleeve construction maximizes comfort and feel

3D mesh finger and thumb surfaces for cooling performance

stretchable mesh main construction for maximum breathability and ventilation Open mesh

Sound Insert with Spark Arrestor DB @ Idle 88

Alpinestars ergonomic stretch insert between palm and thumb

ALPINESTARS SMX1-R V2 Boots - Black/Red - US 10.5 / EU 45 2224021-13-45 EGT-02 Sensor In the sleeve construction maximizesThe main upper material is microfiber Tongue and rear accordion made by lightweight padded material that offer superior comfort Airflow and ventilation are improved thanks to lateral Air Intake with metallic mesh New speed lace system derived from Alpinestars MotoGP technology for improved quick precise and secure closure Higher closure system with new adjustable hook and loop closure and debossed Alpinestars logo Foam backed double density ankles