ALPINESTARS SMX1-R V2 Boots - Black - US 12 / EU 47 2224021-1100-47 XR-SR Multi-Function Electronic Speedometer Features an aramid fiber silencer

Features an aramid fiber silencer body

Anytime you replace the stock exhaust system with an aftermarket racing system it requires changing the fueling

Reinforcements on palm and thumb provide superior grip

both with heat-press texture for superior grip Brown boot is full-grain oiled leather construction

especially when changing out the cam for something a little more aggressive The rear is finished off with a brand new El Diablo style billet tip

ALPINESTARS SMX1-R V2 Boots - Black - US 12 / EU 47 2224021-1100-47 XR-SR Multi-Function Electronic Speedometer Features an aramid fiber silencerThe 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