super-soft A-FLEX frame

stretch ripstop panels

Alpinestars' innovative Supertech AFD (Alpinestars Force Deflection) shoulder technology helps minimize shoulder injury risk by deflecting impact forces and reducing rotational acceleration during crashes or when riders come in contact with the ground

aiding in body temperature management

it delivers unparalleled flexibility and airflow

sm3 top vent sides white LE super-soft A-FLEX frameExpertly designed for the S M3 helmet, these Top Vent Sides are essential replacement components for maintaining peak ventilation performance during off road riding. Constructed from durable, high impact plastic, they feature precision engineered airflow channels to ensure consistent cooling and heat management. These genuine Alpinestars accessories guarantee a perfect fit and seamless integration with your motocross gear ecosystem.