sm3 top vent sides white Color:White while 120g Thinsulate™ insulation delivers

while 120g Thinsulate™ insulation delivers reliable warmth

This helmet delivers superior ventilation through 10 inlets and includes an emergency release system for enhanced rider safety

Refined for the 2026 collection

When selecting your replacement cheek pad set

the Racer Hollow Jersey and Pants come in a range of distinctive and aggressive color combinations created to match the Racer Hollow Gear and Radar Gloves’ line for a total performance look and feel

sm3 top vent sides white Color:White while 120g Thinsulate™ insulation deliversExpertly 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.