ALPINESTARS SMX1-R V2 Boots - Black - US 11.5 / EU 46 2224021-1100-46 Muffler Bracket they are still well within

they are still well within acceptable sound levels

Some models have updated designs for easier installation

Exclusive Moose Racing anti-slip rubber platform pad

8 pound weight saving over stock

100% asbestos free

ALPINESTARS SMX1-R V2 Boots - Black - US 11.5 / EU 46 2224021-1100-46 Muffler Bracket they are still well withinThe 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