GP Helmet - 1500 Grams Weighing in at 1500 grams, our new GP Helmet features a technoligically advanced polyacrylite shell construction. This helmet comes with 16 intake ports to channel cool air around and over a rider's head, forcing hot sweaty air out through twelve rear exhaust ports. The Youth GP Helmet is DOT & ECE 22.05 Certified. This helmet is designed and intended exclusively for off-road dirt bike riding. Complies with the U.S. CPSC safety standard for motocycle helmet for persons age 5 and older. PART# -104490004 (L)