About this item Fits riders ages 14 and up Adjustable dial fit offers superior 360˚ adjustability for a custom fit Snap on/off visor protects eyes from the sun and offers multisport versatility 26 crucial air vents provide maximum ventilation, keeping heads cool on hot summer rides, Upper and lower PC micro shell coverage delivers improved protection and durability Complies with U.S. CPSC Safety Standard for Bicycle Helmets for Persons Age 5 and Older