ALPINESTARS Jettson S-M3 Junior Grey / Purple / Black 2026 Motocross Helmet

Description

The Alpinestars Jettson S-M3 Junior is an off-road helmet for young riders, 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 for the ideal balance between lightness and protection.

Key features

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

Specifications

• Type: Junior off-road helmet
• Shell material: Polymer blend
• Shell sizes: Thermo-injected shell, polymers in different thicknesses
• Visor: Removable peak, patented peak release
• Ventilation: 10 intakes, 7 rear exhaust vents
• Interior: Breathable, removable and washable
• Closure: Double-D ring
• Included: ERS emergency release system, low-friction inner liner to reduce rotational acceleration
• Certification: DOT, ECE 22.06