ALPINESTARS S-M3 Radium Black / Red Fluo / White 2026 Motocross Helmet

Description

The Alpinestars S-M3 is an off-road helmet designed to deliver maximum performance in MX, enduro and other off-road disciplines. Its shell is thermo-injected from a blend of polymers of varying thicknesses, offering the perfect balance between lightness and protection.

Key features

• Ventilation system with 10 air intakes and 7 rear extractors for optimal air circulation
• Removable peak visor that redirects air towards the ventilation ports
• Patented peak release system that detaches with the correct force in a crash, reducing forces on the rider’s neck
• Alpinestars’ patented low-friction coating on the inside of the main EPS liner to reduce rotational acceleration forces
• Soft, breathable interior padding, completely removable and washable
• ERS emergency release system for proper helmet removal in an accident

Specifications

• Type: Off-road helmet (motocross, enduro)
• Shell material: Polymer blend
• Shell sizes: Thermo-injected shell, polymers of varying thickness, low-friction EPS inner lining
• Visor: Removable peak, patented release system
• Ventilation: 10 air intakes, 7 rear exhaust vents
• Interior: Breathable, removable and washable
• Closure: Double buckle
• Included: ERS emergency release system
• Certification: DOT, ECE 22.06