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 GP Helmet is DOT & ECE 22.05 Certified. Technologically advanced polyacrylite shell construction EPP (Expanded PolyPropylene) chin bar for lightweight, durable protection Three shell sizes to more accurately fit a variety of head sizes and rider ages 3D contoured cheek pads with emergency release system for EMS responders Plastic visor screws and brass inserts for easy impact break-away Comes with TLD helmet drawstring sock.