| Size | OSFA |
|---|---|
| Width | 25cm |
| Height | 21.5cm |
Width: Using a measuring tape, place it across the middle of your forehead, just above the ears and across the middle of the back of your head. Halve to approximate the measurements above.
If you'd like more specific help - please contact us and include your typical size and measurements if possible.
Please note measurements can vary within 2.5cm, this is within our tolerance.