Liquid Force Helmet Size Chart - 2015
| Size | HeadSize (inches/cm) |
| Youth S | 19 - 20 / 48.3 - 50.8 |
| XS / Youth L | 20 - 20.75 / 50.8 - 52.7 |
| S | 20.75 - 21.25 / 52.7 - 53.9 |
| M | 21.25 - 22 / 53.9 - 55.9 |
| L | 22 - 23 / 55.9 - 58.4 |
| XL | 23 - 24 / 58.4 - 70 |
To determine your helmet size simply measure the circumference of your head above your ears and around your forhead.
These helmets run large. If you are to the lower side of a range, we recomend sizing down.