* Helmet with 2 outer shells & 2 EPS for increased safety & perfect fit. * Outer shell made from ABS * Maximum airflow & cooling through large ventilation openings with internal ventilation channels Article: Oneal 5 Series Polyacrylite Attack Motocross Helmet, black-yellow, Size M Article: Oneal 5 Series Polyacrylite Attack Motocross Helmet, black-yellow, Size M, black-yellow, Size M