Hat Size	Head Measurement (in cm)	Head Measurement (in inches)
S	54-55 cm	21-21.6 in
M	56-57 cm	22-22.4 in
L	58-59 cm	22.8-23.2 in
XL	60-61 cm	23.6-24 in
XXL	62-63 cm	24.4-24.8 in

Directions for measuring hats:

Measure the circumference of your head above your ears with a soft measuring tape. The tape should be placed approximately one finger width above the ears.