Head Sizing Chart
| Head Circumference | Hat Size | Helmet Size Range | Enhancer Size |
|---|---|---|---|
| 20-1/8" | 6-3/8 | ||
| 20-1/2" | 6-1/2 | 7 to 7-3/4 | Youth Medium |
| 20-7/8" | 6-5/8 | (Light Blue) | |
| 21-1/4" | 6-3/4 | ||
| 21-5/8" | 6-7/8 | 7 to 7-3/4 | Adult Small |
| 22" | 7 | (Royal Blue) | |
| 22-3/8" | 7-1/8 | ||
| 22-3/4" | 7-1/4 | 7-5/8 to 7-3/4 | Adult Medium |
| 23-1/8" | 7-3/8 | (Mid Gray) | |
| 23-1/2" | 7-1/2 | ||
| 23-7/8" | 7-5/8 | 7-7/8 to 8 | Adult Large |
| 24-14" | 7-3/4 | (Black) |