Adult Helmets
| Size |
Hat Size (in) |
Circumference (in) |
Circumference (cm) |
| XS |
6 3/4 - 6 7/8 |
21 1/4 - 21 5/8 |
54 - 55 |
| S |
7 - 7 1/8 |
22 - 22 7/16 |
56 - 57 |
| M |
7 1/4 - 7 3/8 |
22 13/16 - 23 1/4 |
58 - 59 |
| L |
7 1/2 - 7 5/8 |
23 5/8 - 24 |
60 - 61 |
| XL |
7 3/4 - 7 7/8 |
24 3/8 - 24 13/16 |
62 - 63 |
| 2XL |
8 - 8 1/8 |
25 3/16 - 25 5/8 |
64 - 65 |
| 3XL |
8 1/4 - 8 3/8 |
26 - 26 3/8 |
66 - 67 |
| 4XL |
8 1/2 - 8 5/8 |
26 3/4 - 27 1/8 |
68 - 69 |
Youth Helmets
| Size |
Hat Size (in) |
Circumference (in) |
Circumference (cm) |
| S |
6 5/8 - 6 3/4 |
20 7/8 - 21 1/4 |
53 - 54 |
| M |
6 3/4 - 6 7/8 |
21 1/4 - 21 5/8 |
54 - 55 |
| L |
6 7/8 - 7 |
21 5/8 - 22 |
55 - 56 |
Sizing information is provided by the manufacturer and does not guarantee a perfect fit. Please use this chart as a guide only.
