Fly Adult Helmets
Size
X-Small
Small
Medium
Large
X-Large
2X-Large
Inches
20 7/8 - 21 1/4
21 1/5 - 22
22 3/8 - 22 3/4
23 1/8 - 23 1/2
24 - 24 3/8
25 1/8 - 25 1/2
Hat Size
6 5/8 - 6 3/4
6 7/8 - 7
7 1/8 - 7 1/4
7 3/8 - 7 1/2
7 5/8 - 7 3/4
8 or greater
Fly Youth Helmets
Size
Youth Small
Youth Medium
Youth Large
Inches
Under 20 1/2
20 1/2
20 7/8
Sizing information is provided by the manufacturer and does not guarantee a perfect fit. Please use this chart as a guide only.