ALPINESTARS SMX-1 R v2 Boots - Black/White - US 13.5 / EU 49 2224521-12-49 engine kidney area and chest

kidney area and chest

the modern motorcycle engine control systems cannot be optimized by piggyback systems

One-piece injected dual compound foot shell with co-injected hard toe protector and integrated steel shank

Polar fleece collar facing

ALPINESTARS SMX-1 R v2 Boots - Black/White - US 13.5 / EU 49 2224521-12-49 engine kidney area and chestA 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