ALPINESTARS SMX1-R V2 Boots - Black/Red - US 9 / EU 43 2224021-13-43 Torque Spacer Kit Built in breathers replace external

Built in breathers replace external OE breathers

This system features mandrel bent stainless steel tubing

Impact Protectors are fully removable for washing

Alpinestars Dynamic Friction Shield (DFS) knuckle protection system features dual-density molded construction for superior resistance to repeated impacts

ALPINESTARS SMX1-R V2 Boots - Black/Red - US 9 / EU 43 2224021-13-43 Torque Spacer Kit Built in breathers replace externalThe 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