It has a removable, washable, front pad system and a fully adjustable, quick-release harness. Also included is International's Dial-Fit system for easy fitting.
ASTM /SEI certified.
Sizes: (Measure head at widest point) Small: (19 - 21.5'')........Sizes 6 1/4, 6 1/2, 6 5/8, 6 3/4 & 6 7/8 Medium: (22 - 23'')............Sizes 7, 7 1/8 & 7 1/4 Large: (23.5 - 24.5'')....Sizes 7 3/8, 7 1/2 & 7 5/8