Carefully measure around your head, above the ears. Take the measurement, in inches or centimetres and refer to the charts below for your helmet size.
DO NOT GUESS YOUR HELMET SIZE - Helmets must fit snugly and securely to protect you.
Helmet Size | Inches | Centimeters |
XX-Small | 20 - 20.5 | 51 - 52 |
X-Small | 20.8 - 21.25 | 53 - 54 |
Small | 21.6 - 22 | 55 - 56 |
Medium | 22.4 - 22.8 | 57 - 58 |
Large | 23.25 - 23.6 | 59 - 60 |
X-Large | 24 - 24.3 | 61 - 62 |
XX-Large | 24.8 - 25.2 | 63 - 64 |
XXX-Large | 25.25+ | 64 - 65 |