Size Charts
Kerr Helmets
Helmets
Size
X-Small
Small
Medium
Large
X-Large
2X-Large
Circumference (in)
20 1/4" - 20 7/8"
21" - 21 5/8"
21 3/4" - 22 5/8"
22 1/2" - 23 1/8"
23 1/4" - 24"
24 1/8" - 24 7/8"
Circumference (cm)
52 - 53
54 - 55
56 - 57
58 - 59
60 - 61
62 - 63
Sizing information is provided by the manufacturer and does not guarantee a perfect fit. Please use this chart as a guide only.