Below is our sizing chart. When measuring your head for a hat size, use a cloth tape and measure the circumference of the largest part of your head. This is usually a line similar to just above the ears to just above the eyebrows and around that back of your head on the same plane.
Hat Sizing Chart

Age Centimeters Inches Size
Kids Hat Sizes
Infant 47-49 18.5-19.25 n/a
Toddler 50-51 19.5-20.25 n/a
2-4 52-53 20.5-21 S, S/M
4-6x 54 21.25 M,L
7-14 Youth 55 21.5 L,XL