Size Chart (Helmets)
Fit Guide
| Size | Inches | CM | Hat Size |
| SMALL | 21.25 - 22.5 in | 54-57 cm | 6 3/4 - 7 1/8 |
| MEDIUM | 22.5 - 23.25 in | 57-59 cm | 7 1/8 - 7 3/8 |
| LARGE | 23.25 - 24.5 in | 59-62 cm | 7 3/8 - 7 3/4 |
If you are unsure of your size, please contact support@bluejaybikes.com and we will help you figure it out.