Alpinestars SM-3 Heat Helmet Size:X-Small Combining cutting-edge belt technology

Combining cutting-edge belt technology

and DOT/ECE 22

and easy style

Fleece lining prevents paint scratches

Alpinestars SM-3 Heat Helmet Size:X-Small Combining cutting-edge belt technologyAlpinestars SM 3 Heat Helmet is built to raise the bar for off road riders seeking cutting edge safety, performance, and style in a single package. Its advanced thermo injected outer shell uses a special polymer blend with varied thicknesses to optimize impact protection while keeping weight low, and a multi density EPS liner (with multiple EPS pieces and densities) tunes energy absorption across different impact zones. Alpinestars Rotational