ALPINESTARS SMX-1 R v2 Boots - Black/Red - US 9 / EU 43 2224521-13-43 909 Twins Slip-On Muffler Built for durability and functionality

Built for durability and functionality

dB(A) Level

This fitment information is based upon the stock version of the motorcycle or unit referenced and any accessory added or other modification could invalidate the quick reference informatio

Dynamic Friction Shield (DFS) external dual density Thermoplastic Polyurethane (TPU) sliders on knees

rear and lower tongue for airflow and ventilation

ALPINESTARS SMX-1 R v2 Boots - Black/Red - US 9 / EU 43 2224521-13-43 909 Twins Slip-On Muffler Built for durability and functionalityA class leading, low cut performance riding boot, the SM 1 R v2 Vented Riding Shoe incorporates a host of technical innovations for improved levels of comfort, fit and durability. Constructed from a lightweight and abrasion resistant microfiber upper with extensive perforations for maximum airflow and breathability, the shoe is also equipped with strategically positioned TPU protectors for abrasion resistance in a key area. The SMX 1 R v2 Vented