Comes in two sizes. Adult medium/large and adult small. 
The innovative new Face Shield is designed to add an extra layer of coverage to your Century headgear, including C-Gear, KIZE, TEGU and Student Headgear. The Face Shield provides full facial coverage, and is ventilated for comfort with open eye area for optimum vision. Does not fit P2 headgear. The small sized evolution face shield will fit child size headgear.