MT Thunder 4 SV Rainforest Helmet

The MT Thunder 4 SV is MT Helmets’ flagship model in the Sport-Touring range, delivering unmatched safety, comfort, and value for money. Built for long rides, it features a HIRP shell, wide field of vision, and hypoallergenic interiors designed for endurance. The helmet is ECE 22.06 certified and integrates an emergency release system, micrometric closure, and reflective fabrics for optimal rider safety.

Engineered with a fluid-dynamics optimised ventilation system, the Thunder 4 SV ensures maximum airflow and minimum drag. It includes a Pinlock MaxVision visor, MT-QVSS quick visor change system, and a fully covering sun visor for all-weather visibility. Bluetooth compatibility and eco-conscious design make it perfect for modern touring.

Technical Features 

Safety:

• HIRP shell, ECE 22.06, emergency release, micrometric closure, shield lock, reflective fabric

Ventilation:

•  Advanced airflow system, fluid dynamics design, cooling with minimal drag

Comfort:

•  Hypoallergenic, removable/washable interiors, 3-point protector, lightweight design

Visor:

• MT-V-28B, Pinlock DKS435, MT-QVSS quick-swap, full-coverage retractable sun visor