ALPINESTARS Stella SMX-1 R V2 Vented Boots - Black - US 10 / EU 42 2224121-10-42 Synapse HD Knee Protectors 72") W x 40 mm

72") W x 40 mm (1

Pouch pocket with contrast edging

Designed to fit OEM bearing and crank pin

Shell construction utilizes a highly advanced molding technology with a multi-composite combination: 3K Carbon

Multiple snap button system to integrate the Alpinestars Nucleon back protector Removable windbreaker lining for versatility

ALPINESTARS Stella SMX-1 R V2 Vented Boots - Black - US 10 / EU 42 2224121-10-42 Synapse HD Knee Protectors 72") W x 40 mmAnatomically 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