HJC RPHA1N Red Bull Helmet. FIM (FRHPhe-01), ECE & D. "ACS" Advanced Channeling Ventalation System: 5 Intakes & 4 exhausts; Full front-to-back airflow flushes heat and humidity out of the helmet. Improved ventilation system reduces shield fogging and increases airflow. Premium Integrated Matrix Plus (PIM Plus): Reinforcment materials, including Carbon & Carbon-Glass. Hybrid fabric, provide enhanced Shock-Resistant performance. More comfortable, and lightness of helmet. Aerodynamic shell design for racing performance.. Silver CoolTM Interior with advanced anti-bacterial...