ALPINESTARS SMX-1 R v2 Boots - Black/Red - US 11.5 / EU 46 2224521-13-46 6 Provides ample ear cavity space

Provides ample ear cavity space for most speaker systems

Lifetime & 100% Satisfaction Guaranteed: Any product problem

A-CS® Plus has superior stretch performance with approximately 30% elongation and offers an increase in tear resistance of 300% compared to HRSF (Hyper Resistant Stretch Fiber)

Two full side openings allow easy access to bag contents while bag is still mounted on bike

Features lens lock system and articulated outriggers

ALPINESTARS SMX-1 R v2 Boots - Black/Red - US 11.5 / EU 46 2224521-13-46 6 Provides ample ear cavity spaceA 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