The100 Percent Altec Helmetis a superb choice for the advanced rider. A ventilated All-Mountain helmet that is protective, lightweight and inspires confidence. Featuring Smartshock® suspended rotational system, the ALTEC's Smartshock® elastomers reduce energy transfer to the brain over a wide range of speed and impact types. 100 Percent Altec Helmet Features Smartshock® - 14 Point Smartshock® Rotational Protective System. Multi-Density EPS foam - injection molded with polycarbonate. Massive airflow - With an impressive 15 ventilation ports. Altec 350g / M-Shell - Expanded coverage while still lightweight. Sunglass Storage - Integrated sunglass storage system. Multi-point adjustable visor designed - For maximum vision and goggle stowage ... More info