Cycling ;Bike Helmet Helmet Chin And Visor With Chin And Helmet Mountain With

18 air vents take away excess heat to keep you cool and comfortable. Camera port and goggles port allow you to mount your camera and goggles on the helmet. In-mold construction with hard polycarbonate shell and EPS lining for impact resistance and protection. Detachable chain guard and visor makes the helmet switch easily between a half face and full face helmet. Adjustable dial system fits head circumference: 54-61cm (21.2"-24").