The Alpinestars Sm3 Radium Helmet is engineered to provide riders with a superior blend of impact protection, lightweight performance, and advanced ventilation. Designed for those who demand safety without compromise, this helmet utilizes a high-tech thermo-injected polymer blend with variable thickness to deliver optimal impact absorption across various riding conditions.
Safety is at the forefront of the design, featuring a patented visor release system and a low-friction coating on the EPS liner to significantly reduce rotational forces during an impact. With its dual certification and precision engineering, this helmet offers a snug yet breathable fit, making it an ideal choice for extended sessions on the track or trail.
Features:
- Conforms to both DOT and ECE 2206 standards, ensuring safe use worldwide.
- The patented visor release system minimizes forces on the neck by releasing the visor with a precisely calibrated amount of force during impact.
- Features 10 inlets and 7 exhaust ports for maximum airflow and effective heat transfer, keeping you cool during intense rides.
- Alpinestars' patented low-friction coating on the EPS liner reduces rotational acceleration forces from oblique impacts.
- Mimics the brain’s natural defense system with a slip-plane layer for added protection.
- Thermo-injected polymer blend with variable thickness delivers optimal impact protection without compromising on weight.
- Engineered for ease of use, offering a snug yet breathable fit for extended riding sessions.
