HJC CS-15 Martial MC-1 Road Helmet The Advanced Polycarbonate Composite Shell provides a lightweight helmet, with superior fit and comfort using advanced CAD technology. The Optically-superior face shield provides 95% UV protection. The ACS Advanced Channeling Ventilation system allows full front-to-back airflow to flush heat and humidity up and out. FEATURES Standard ECE. Meets or exceeds ECE 22.05 approved. Testing includes energy attenuation, penetration resistance, chin strap structural integrity and labelling requirements for on-road motorcycle helmets. Polycarbonate Shell. The Advanced Polycarbonate Shell is designed to be lightweight with a superior fit and comfort, using CAD technology. Visor: HJ-09. All HJC shields offer 95% UV-A & B protection. Pinlock ready shield Bioceramic Nylex Interior. Moisture-wicking interior with advanced anti-bacterial fabric. Removable interior. Glasses groove: accommodates those who wear eyeglasses and sunglasses ACS - Advanced Channelling Ventilation System. HJC's helmets, along with our technology, have added experience in designing the MotoGP race helmets to have the best technology in aerodynamics and ventilation and related fields. HJC's helmets provide the airiest helmets on the market.