ALPINESTARS Stella SMX-1 R V2 Vented Boots - Black/Pink - US 11 / EU 43 2224121-1839-43 Bearing/Seal Kit Gravity cast aluminum alloy with

Gravity cast aluminum alloy with 18% silicon to increase resistance to wear and decrease thermal distortion

Forest Service standards

Synthetic suede palm for high levels of durability and grip

Designed to increase power on modified sportbikes

ALPINESTARS Stella SMX-1 R V2 Vented Boots - Black/Pink - US 11 / EU 43 2224121-1839-43 Bearing/Seal Kit Gravity cast aluminum alloy withAnatomically 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