ALPINESTARS Stella SMX-1 R V2 Vented Boots - Black/Pink - US 10 / EU 42 2224121-1839-42 Replacement Cylinder vented kidney belt for added

vented kidney belt for added position stability and a custom fit

Ergonomically sculpted knee cup is constructed from a triple segmented polymer for flexibility and adaptivity that is backed with light padding for the ultimate in comfort

Maximum protection for chassis and engine

Allows installation of O2 sensor into most exhaust systems

collar construction with soft lining for enhanced rider comfort

ALPINESTARS Stella SMX-1 R V2 Vented Boots - Black/Pink - US 10 / EU 42 2224121-1839-42 Replacement Cylinder vented kidney belt for addedAnatomically 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