Adult Helmets
| Size |
Circumference (cm) |
Circumference (in) |
| XS |
53 - 54 |
20 7/8" - 21 1/4" |
| S |
55 - 56 |
21 5/8" - 22" |
| M |
57 - 58 |
22 3/8" - 22 3/4" |
| L |
59 - 60 |
23 1/8" - 23 1/2" |
| XL |
61 - 62 |
24" - 24 3/8" |
| 2XL |
63 - 64 |
24 3/4" - 25 1/8" |
| 3XL |
65 - 66 |
25 5/8" - 26" |
| 4XL |
67 - 68 |
26 3/8" - 26 3/4" |
Youth Helmets
| Size |
Circumference (cm) |
Circumference (in) |
| S |
47 - 48 |
18 1/2" - 19" |
| M |
49 - 50 |
19 3/8" - 19 3/4" |
| L |
51 - 52 |
20 1/8" - 20 1/2" |
Sizing information is provided by the manufacturer and does not guarantee a perfect fit. Please use this chart as a guide only.