sm3 top vent sides white mx past moisture-wicking polyfabric construction features an

moisture-wicking polyfabric construction features an ergonomic pre-curved pattern and new stretch mesh side panels for superior breathability

Six integrated sensors and an AI algorithm trigger inflation in 50 ms to deliver chest and back EN 1621‑4:2013 Level 2 protection

This jacket is Tech-Air® ready and can accommodate the Tech-Air® 5 Airbag System for complete upper body protection

more minimalistic design

sm3 top vent sides white mx past moisture-wicking polyfabric construction features anExpertly 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.