ALPINESTARS Stella SMX-1 R V2 Vented Boots - Black - US 11 / EU 43 2224121-10-43 Blue Snap connection system allows integration

Snap connection system allows integration of the Nucleon Race back protector sold separately)

Extended microfiber gaiter helps prevent excessive water and dirt entry

Fitment: 2015-2019 Yamaha R1

Constructed from an advanced mixed poly-textile for improved durability and color fastness and to promote high levels of moisture wicking

ALPINESTARS Stella SMX-1 R V2 Vented Boots - Black - US 11 / EU 43 2224121-10-43 Blue Snap connection system allows integrationAnatomically engineered for an optimized womens fit Rear flex bellow is equipped with a flex window, which also acts as an air intake for effective ventilation and airflow New ergonomic TPU shift pad for enhanced durability in a critical area Main upper constructed from an advanced microfiber for comfort, durability and excellent of abrasion resistance Rear of heel counter has been designed with soft TPR insert which works seamlessly with the rear