ALPINESTARS Stella SMX-1 R V2 Vented Boots - Black/Pink - US 9 / EU 41 2224121-1839-41 Faster-3 Rideknit Shoes The silencer sleeve is made

The silencer sleeve is made of Carbon fiber or Titanium that attaches to the titanium end caps with stainless aircraft grade rivets and Titanium silencer bands

Extended lower back protector offers more protection to the rider

Ergonomic thumb for optimized freedom of movement and flexibility

lined hood and round draw cord

Hybrid technology Alpinestars' Nucleon Cell and Flex technologies providing ventilation and flexibility Ergonomically contoured dual zone outer shell

ALPINESTARS Stella SMX-1 R V2 Vented Boots - Black/Pink - US 9 / EU 41 2224121-1839-41 Faster-3 Rideknit Shoes The silencer sleeve is madeAnatomically 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