Bern Bike Helmet Sizing
Adult
| Size | XS - S | S - M | S | M | L |
| Head Measurement (cm) | 48 - 51.5 | 51.5 - 54.5 | 52 - 55.5 | 55.5 - 59 | 59 - 62 |
Junior
| Size | S - M | M - L | S | M |
| Head Measurement (cm) | 51.5 - 54.5 | 53 - 56 | 52 - 55.5 | 55.5 - 59 |
Kids'
| Size | XXS - S |
| Head Measurement (cm) | 47 - 51 |
