Advanced polycarbonate composite shell. Double D-ring chin strap. Advanced Channel Ventilation System for full front-to-back airflow to help flush out heat and humidity. SuperCool® moisture-wicking, anti-bacterial interior liner is removable and washable. Retractable sun shield deploys quickly and easily. Face shield features 95% UV protection, anti-scratch coating, and uses the QuickSlide™ shield replacement system for quick, secure, tool-free removal and installation.