ALPINESTARS SMX-1 R v2 Boots - Black/White - US 12 / EU 47 2224521-12-47 Replacement Air Box Covers which can be conveniently stored

which can be conveniently stored in the large stretch mesh pocket on the back when not in use

Developed to smooth out the power curve

High performance extension for the DF-12 Diffusers

Vulcanized silicone rubber grip for any riding condition

reverse coil zipper front closure

ALPINESTARS SMX-1 R v2 Boots - Black/White - US 12 / EU 47 2224521-12-47 Replacement Air Box Covers which can be conveniently storedA 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