ALPINESTARS Stella SMX-1 R V2 Vented Boots - Black - US 11 / EU 43 2224121-10-43 Blue Constructed from an advanced mixed

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

the SMX Air Jacket features a main chassis constructed from tech mesh on the rider’s abdomen

custom CNC-milled aviation grade T-6061 aluminium

Fitment: 2015-2019 Yamaha R1

ALPINESTARS Stella SMX-1 R V2 Vented Boots - Black - US 11 / EU 43 2224121-10-43 Blue Constructed from an advanced mixedAnatomically 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