Size Charts
Helmet Size Chart
Adult Helmets
Size
X-Small
Small
Medium
Large
X-Large
XX-Large
3X-Large
Inches
20 7/8" - 21 1/4"
21 5/8" - 22"
22 3/8" - 22 3/4"
23 1/4" - 23 5/8"
24" - 24 3/8"
24 3/4" - 25 1/4"
25 1/4" - 25 3/8"
Centimeter
53 - 54
55 - 56
57 - 58
59 - 60
61 - 62
63 - 64
65 - 66
Sizing information is provided by the manufacturer and does not guarantee a perfect fit. Please use this chart as a guide only.