DescriptionALPINESTARS 2026 S-M3 RADIUM HELMET – BLACK/WHITE/GREYThe S-M3 helmet is a cutting-edge protective gear designed for global safety standards, conforming to DOT certification and ECE 2206 homologation. It features a patented visor release system that reduces neck strain during impacts, while its advanced ventilation system—boasting 10 inlets and 7 exhaust ports—ensures exceptional heat transfer. Enhanced safety is provided by Alpinestars’ innovative low-friction coating on the EPS liner, which minimizes rotational forces during oblique impacts. Additionally, the lightweight thermo-injected outer shell, crafted with a specialized polymer blend, delivers superior impact protection without compromising comfort.FEATURESGlobal Certification: Meets DOT certification and ECE 2206 homologation standards for worldwide use.Patented Visor Release System: Ensures the visor detaches with a predetermined force, reducing neck strain during impacts.Advanced Ventilation: Features 10 inlets and 7 exhaust ports for optimized airflow and heat transfer.Innovative Friction Coating: Patented low-friction layer on the EPS liner reduces rotational forces from oblique impacts, mimicking the brain’s natural protection.Lightweight Outer Shell: Thermo-injected shell with a specialized polymer blend provides optimal impact protection and reduced weight.
