Alpinestars S-M3 Radium MX Helmet Grey/Matte Yellow

Description

Alpinestars S-M3 Radium MX Helmet Grey/Matte Yellow

The Alpinestars S-M3 Radium is engineered for motocross, enduro, and off-road riders seeking the perfect balance between lightweight comfort, superior ventilation, and advanced impact protection. Built from a thermally molded polymer blend shell with variable wall thickness, the S-M3 delivers both strength and agility for demanding off-road conditions.

With a patented visor release system that minimizes neck strain during impacts and a carefully optimized ventilation system featuring 17 air channels, the S-M3 ensures exceptional airflow and rider comfort. The interior EPS liner with a low-friction coating further enhances safety by reducing rotational forces on oblique impacts, helping to protect the brain. Designed with performance and comfort in mind, the S-M3 Radium is your reliable partner for every off-road adventure.

Features:
• Thermally molded shell made of a special polymer blend with variable thickness for optimal strength-to-weight ratio
• Patented visor release system minimizes neck strain in case of impact
• 10 inlet and 7 outlet vents for maximum airflow and heat exchange
• EPS liner with patented low-friction coating to reduce rotational forces during angled impacts
• Lightweight construction for enhanced performance and comfort

Specifications:
• Certification: ECE 22-06
• Weight: approx. 1,200 g (depending on size)
• Closure: Double D-ring
• Designed for excellent impact performance with superior ventilation and fit