Size Guide

 
Size of band
Fits head size range
Optimum fit range
Recommended age
Small
19"
16 - 19"
16.5 - 18.5"
1 to 3 years
Medium
20.5"
17 - 21"
18.5 - 20.5"
4 to 9 years
Large
23.5"
20.5 - 25"
20.5 - 23"
10 to adults