sm3 top vent sides white mx past more minimalistic design

more minimalistic design

Part of the all-new 2026 collection

Easy to use and comfortable

it features an ergonomic pre-curved construction with advanced polyfabric and premium stretch mesh panels for maximum breathability

as well as riding protection and confidence

sm3 top vent sides white mx past more minimalistic designExpertly 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.