Bern Helmet Size Chart
Bern is a private helmet company with a 15-year legacy of pioneering street-inspired gear that sets the tone for style, comfort, and safety on the streets, trails, slopes, and on the water.
| Fit Size | Small | Medium | Large |
| CM | 52 - 55.5cm | 55.5 - 59cm | 59 - 62cm |
| Hat Size | 6.5 - 7 | 7 - 7 3/8 | 7 3/8 - 7 7/8 |