- Measure circumference of head from center of forehead around head approximately 1.5cm above ears
- Measurement should be taken at widest part of the head
|Circumference (in)||Circumference (cm)|
|S||19 - 21-1/4"||48 - 54cm|
|M||21-1/2 - 23"||55 - 58cm|
|L||23-1/4 - 24"||59 - 61cm|
Note: All measurements are provided by the manufacturer and may vary depending on how measurements are acquired.