ALPINESTARS SMX1-R V2 Boots - Black - US 7.5 / EU 41 2224021-1100-41 SMX Plus Boots Custom Pro Circuit racing graphic

Custom Pro Circuit racing graphic on the back

No more smoking warmers on the floor

Order the Voodoo Phantom Core to lower sound output up to 8 decibels

Innovative design helps with increased bottom to mid-range power

Graves Silencer No inserts at 5000 rpm 103db

ALPINESTARS SMX1-R V2 Boots - Black - US 7.5 / EU 41 2224021-1100-41 SMX Plus Boots Custom Pro Circuit racing graphicThe 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