KIDS & ADULT HATS
  XXS XS S M L
Adults Hat Size - - 6 1/2-6 7/8 7-7 1/4 7 3/8-7 7/8
Adults Head (inches) - - 20 1/2-21 1/2 21 3/4-22 3/4 23-24 1/2
Adults Head (cm) - - 52-55 55-58 58-62
Kids' Age 6m-24m 24m-3yr. 3yr.-6yr. 6yr.-10yr. 10yr. & Up
Kids' Head (inches) 17 1/2-18 1/2 19 1/2 20 1/2 21 1/2 22 1/2
Kids' Head (cm) 44-47 50 52 55 57
Measurements refer to circumference of head.