ALPINESTARS SMX1-R V2 Boots - Black/White - US 5 / EU 38 2224021-12-38 Long Tech MX Thick Socks Inner waterproof pocket for safe

Inner waterproof pocket for safe storage Innovative calf expansion gussets improve the range of fit and riding comfort

Rubber reinforcements on thumb and palm for superior grip

Weld-in O2 sensor bung lets you incorporate O2 sensors into any exhaust system

The emergence of ECU flashing has given us the ability to do this at a reduced cost because we can now control the stock ECU motor controls

removable anatomic footbed includes EVA and Lycra top for comfort and support ensures even weight distribution and reinforced heel

ALPINESTARS SMX1-R V2 Boots - Black/White - US 5 / EU 38 2224021-12-38 Long Tech MX Thick Socks Inner waterproof pocket for safeThe 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