| Size | Head Circumference |
| XS | 19-21in / 49-52cm |
| S | 21-23in / 52-55cm |
| M | 23-25in / 55-58cm |
| L | 25-27in / 58-61cm |
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| Size | Head Circumference |
| XS | 19-21in / 49-52cm |
| S | 21-23in / 52-55cm |
| M | 23-25in / 55-58cm |
| L | 25-27in / 58-61cm |