ALPINESTARS SMX1-R V2 Boots - Black - US 11.5 / EU 46 2224021-1100-46 Muffler Bracket Some models have updated designs

Some models have updated designs for easier installation

The energy absorption performance of the S-M10 is substantially improved by a four-section construction that allows for specific densities of polymer to be prepared for different zones around the helmet lining

they are still well within acceptable sound levels

Exclusive Moose Racing anti-slip rubber platform pad

ALPINESTARS SMX1-R V2 Boots - Black - US 11.5 / EU 46 2224021-1100-46 Muffler Bracket Some models have updated designsThe 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