ALPINESTARS SMX-1 R v2 Boots - Black/Red - US 11.5 / EU 46 2224521-13-46 Heavy Duty Inner Tube Ergonomic stretch insert between palm

Ergonomic stretch insert between palm and thumb offers improved range of hand movement and greater sensitivity

Protector cells are bridged together

Fitment: Yamaha YZF-R3 2017-2019

Strategically positioned abrasion and tear resistant reinforcements offer additional durability

Cell Structure it is also highly breathability with maximum airflow

ALPINESTARS SMX-1 R v2 Boots - Black/Red - US 11.5 / EU 46 2224521-13-46 Heavy Duty Inner Tube Ergonomic stretch insert between palmA 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