ALPINESTARS SMX1-R V2 Boots - Black/Red - US 6.5 / EU 40 2224021-13-40 Alps 6.0 V2 Long-Sleeve Jersey Thermoplastic Polyurethane (TPU) injected knuckle

Thermoplastic Polyurethane (TPU) injected knuckle protection system to absorb and dissipate impact

High Load Fuel Maps

5 db at Idle / 93 db at 4000 rpm

aluminum buckles are a result with an easier to operate

sensor bung

ALPINESTARS SMX1-R V2 Boots - Black/Red - US 6.5 / EU 40 2224021-13-40 Alps 6.0 V2 Long-Sleeve Jersey Thermoplastic Polyurethane (TPU) injected knuckleThe 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