AGE HEAD CIRCUMFERENCE
0 - 3 months 14 - 15.5"
3 - 6 months 15.5 - 17"
6 - 12 months 17 - 18.5"
12 - 18 months 18.5 - 19.25"
18 - 24 months 19.25 - 20"
2 - 4 years 20 - 21.25"

We are happy to provide you the exact measurement of the item to help you order the correct size, please contact us.