Meets or exceeds SNELL & DOT standards Advanced CAD technology for superior fit and comfort Sculpted chin bar for added strength 3 unique shell sizes achieve a fit accuracy second to none ACS Advanced Channeling Ventilation System for full front to back airflow, flushing heat and humidity up and out. Redesigned 2-piece mouth vent for maximum cooling Bioceramic Nylex Moisture-wicking Interior Anti-bacterial, removable and washable liner & cheek pads Large eye port and maximum range adjustable visor for maximum visibility and superior goggle fit Newly designed injection molded Soft Touch visor screws for tool-less adjustments without stopping