Adventure Pro Helmet Size Chart
Size Guide
- To get the best fit, measure your head circumference 2.5cm (1 inch) above the eyebrows around the largest point on the back of your head.
- If you are between sizes, choose the larger size.
Size Chart
| Size | XS | S | M | L |
| Head (cm) | 51 - 56 | 53 - 59 | 56 - 61 | 58 - 63 |
| Head (in) | 20.1 - 22.0 | 20.9 - 23.2 | 22.0 - 24.0 | 22.8 - 24.8 |