ALPINESTARS SMX1-R V2 Boots - Black/Red - US 11.5 / EU 46 2224021-13-46 EGT-02R Dual Sensor 3mm thick natural rubber construction

3mm thick natural rubber construction helps resist pinch flats

Unique tapered design

06-09 R6S and 98-16 Yamaha R1

New Diamond Shaped Can Design with tapered entrance (Carbon with Titanium end cap) designed to match the ZX10's body line

Fully external plastic shell with anti-slip grip

ALPINESTARS SMX1-R V2 Boots - Black/Red - US 11.5 / EU 46 2224021-13-46 EGT-02R Dual Sensor 3mm thick natural rubber constructionThe 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