| Head Measurement | Size |
| 52 cm - 54 cm / 20.5 - 21.3" | XS |
| 54 cm - 56 cm / 21.3 - 22" | S |
| 56 cm - 58 cm / 22 - 22.8" | M |
| 58 cm - 60 cm / 22.8 - 23.6" | L |
| 60 cm - 62 cm / 23.6 - 24.4" | XL |
| 62 cm - 64 cm / 24.4 - 25.2" | XXL |
| Jr Head Measurement | Size | |
| Comfort Pad Set 1 | 47 cm - 49 cm / 18.5 - 19.3" | Youth Small |
| Comfort Pad Set 2 | 49 cm - 51 cm / 19.3 - 20.0" | |
| Comfort Pad Set 1 | 52 cm - 54 cm / 20.5 - 21.3" | Youth Medium |
| Comfort Pad Set 2 | 54 cm - 56 cm / 21.3 - 22.0" |