ALPINESTARS SMX-1 R v2 Boots - Black/Red - US 12.5 / EU 48 2224521-13-48 Pro Breath Mask Twin Air's latest product features

Twin Air's latest product features a custom shaped adaptor for each model that fits securely under the gas cap

The inner and outer surfaces are engineered to minimize the effects of oblique impacts

Prevent debris from hitting and damaging the front disc rotor

The 4-inch muffler body has proprietary technology to prevent bluing making this slip-on virtually blue proof

Constructed with heavy duty 600D oxford polyester woven materials and internal closed cell foam walls

ALPINESTARS SMX-1 R v2 Boots - Black/Red - US 12.5 / EU 48 2224521-13-48 Pro Breath Mask Twin Air's latest product featuresA 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