Liquid Force Helmet Size Guide
| Helmet Size | Circumference (inches) |
Circumference (cm) |
Hat Size |
| X-Small | 20.1" - 20.5" | 51 - 52cm | 6 3/8 |
| Small | 20.6" - 21.3" | 52 - 54cm | 6 1/2 - 6 7/8 |
| Medium | 21.4" - 22.0" | 54 - 56cm | 6 7/8 - 7 |
| Large | 22.1" - 22.9" | 56 - 58cm | 7 - 7 1/4 |
| X-Large | 23.0" - 24.0" | 58 - 61cm | 7 1/4 - 7 5/8 |
