Bern Hard Hat Size Chart
Men's Baker and Macon| Size | CM | Shell Size | Comfort Liner Thickness | Top Pad Thickness |
| S | 53.5 - 55.5 | Medium | 5/8 | 3/8 |
| M | 55.5 - 57 | Medium | 1/2 | 1/4 |
| L | 57 - 59 | Medium | 3/8 | 1/4 |
| XL | 59 - 60.5 | Medium | 1/4 | 1/8 |
| XXL | 60.5 - 62 | Large | 3/8 | 1/4 |
| XXXL | 62 - 63.5 | Large | 1/4 | 1/4 |
Women's Muse and Brighton
| Size | CM | Shell Size | Comfort Liner Thickness | Top Pad Thickness |
| XS | 52 - 53.5 | Small | 1/2 | 3/8 |
| S | 53.5 - 55.5 | Small | 3/8 | 1/4 |
| M | 55.5 - 57 | Small | 1/4 | 1/8 |
| L | 57 - 59 | Medium | 3/8 | 1/4 |
| XL | 59 - 60.5 | Medium | 3/8 | 1/4 |
