ALPINESTARS SMX1-R V2 Boots - Black/White - US 13.5 / EU 49 2224021-12-49 2017 Tech 3S Boots - Black/White

Tech 3S Boots - Black/White - US 8

Bionic Neck Support compatibility

designed for natural mobility on the bike

Rear Sprocket - 39-Tooth

ALPINESTARS SMX1-R V2 Boots - Black/White - US 13.5 / EU 49 2224021-12-49 2017 Tech 3S Boots - Black/WhiteSMX1 R V2 Boots Black White US 13. 5 EU 49 The 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