Troxel Spirit helmet. Low profile with maximum airflow vents. DialFit System for a better fit. Removable washable headliner. Meets all ASTM/SEI safety standards.
HAT SIZE:
SM: 6 3/4-7
MD: 7-7 3/8
LG: 7 3/8-7 3/4
HEAD MEASUREMENTS:
SM: 19 7/8" TO 20 7/8",
MD: 22 - 23 1/8",
LG: 23 1/8 - 24 3/8" | 
