Advanced Polycarbonate Composite Shell. Lightweight, superior fit and comfort using advanced CAD technology. Aerodynamic shell with large eyeport for greater visibility. Impact absorbing, multiple density EPS liner. Flip-up Chin Bar and Face Shield. Single-button release allows chin bar/face shield to be easily opened or closed with either hand. Flip-up chin bar makes communicating with with your helmet on easier and wearing glasses more comfortable. ACS Advanced Channeling Ventilation System. Multi stage intake vents combine with rear exit vents to provide flow-through ventilation. Chin bar intake vent provides airflow across the shield interior to help eliminate shield fogging. SilverCool™ Removable/Washable Interior Lining. Moisture-wicking and odor-free interior with advanced SilverCool™ anti-bacterial fabric. SunShield Visor System. One-touch integrated smoke-tinted SunShield (Patent Pending #11/335,855) deploys and retracts quickly and easily. Adjustable to three positions. HJ-17 Shield and Quickslide Shield Replacement System. QuickSlide shield replacement system allows for quick, secure and tool-less shield removal and installation. Optically correct face shield offers 95% UV protection. Nylon Strap-Retention Band. Neatly secures chin strap.