ALPINESTARS SMX1-R V2 Boots - Black/White - US 11.5 / EU 46 2224021-12-46 Corporate T-Shirt Exhaust springs should be measured

Exhaust springs should be measured when they are off the vehicle

Wide entry aperture for convenience with Velcro® upper closure flap to allow broad ranging calf fit adjustment

LINK ™ Silencer No inserts at 5000 rpm 103

2021-2022 Yamaha YZ 250 FX - - 2020-2022 Yamaha WR 250 F - - 2019-2022 Yamaha YZ 450 FX - - 2019-2022 Yamaha YZ 250 F - - 2019-2022 Yamaha WR 450 F - - 2018-2022 Yamaha YZ 450 F

ALPINESTARS SMX1-R V2 Boots - Black/White - US 11.5 / EU 46 2224021-12-46 Corporate T-Shirt Exhaust springs should be measuredThe 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