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Ckx Helmets Size Charts

CKX helmets are designed to fit snug and secure when properly sized. For additional guidance, refer to our helmet sizing guide or contact our customer service team.
Adult Helmets
CKX adult helmets designed for snowmobile riding and cold-weather protection.
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Size Circumference (in) Circumference (cm)
2XS 20 - 20 1/2 51 - 52
XS 20 7/8 - 21 1/4 53 - 54
S 21 5/8 - 22 55 - 56
M 22 1/2 - 22 7/8 57 - 58
L 23 1/4 - 23 5/8 59 - 60
XL 24 - 24 3/8 61 - 62
2XL 24 3/4 - 25 1/4 63 - 64
3XL 25 5/8 - 26 65 - 66
4XL 26 3/8 - 26 3/4 67 - 68
5XL 27 1/8 - 27 1/2 69 - 70
Youth Helmets
CKX youth helmets built for safe, controlled riding on snow and off-road trails.
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Size Circumference (in) Circumference (cm)
S 18 1/4 - 19 47 - 48
M 19 1/4 - 19 3/4 49 - 50
L 20 - 20 1/2 51 - 52
S/M 19 3/4 - 20 1/2 50 - 52
L/XL 20 7/8 - 21 1/4 53 - 54
Instructions: Measure the circumference of your head, one inch above the eyebrows and the ears, then refer to the following chart.

Sizing information is provided by the manufacturer and does not guarantee a perfect fit. Please use this chart as a guide only.