Adult Helmets
| Size |
Helmet Size |
Circumference (in) |
Circumference (cm) |
| XS |
6 3/4 |
21 1/4" |
54 |
| S |
6 7/8 - 7 |
21 5/8" - 22" |
55 - 56 |
| M |
7 1/8 - 7 1/4 |
22 3/8" - 22 3/4" |
57 - 58 |
| L |
7 3/8 - 7 1/2 |
23 1/8" - 23 1/2" |
59 - 60 |
| XL |
7 5/8 - 7 3/4 |
23 7/8" - 24 1/4" |
61 - 62 |
| 2XL |
7 3/4 - 7 7/8 |
24 1/4" - 24 3/4" |
63 |
Youth Helmets
| Size |
Circumference (in) |
Circumference (cm) |
| S |
21.9" |
55.5 |
| M |
22.6" |
57.5 |
| L |
23.4" |
59.5 |
| XL |
24.2" |
61.5 |
Sizing information is provided by the manufacturer and does not guarantee a perfect fit. Please use this chart as a guide only.