stretch ripstop panels

An ultra‑adaptive profile compresses and extends for low‑bulk coverage and soft‑touch comfort

super-soft A-FLEX frame

Soft viscoelastic knuckle protector for comfort and effective protection against repeated impacts and abrasion

hand washable for easy care

sm3 top vent sides white LE stretch ripstop panelsExpertly 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.