Head Circumference		US Hat Size
	Centimeters	Inches
	Min / Max	Min / Max	Min / Max
XS	53 / 54	20 7/8-21 1/4	6 5/8 - 6 3/4
S	55 / 56	21 5/8-22	6 7/8 - 7
M	57 / 58	22 1/2 -22 7/8	7 1/8 - 7 1/4
L	59 / 60	23 1/4 -23 5/8	7 3/8 - 7 1/2
XL	61 / 62	24-24 3/8	7 5/8 - 7 3/4
XXL	63 / 64	24 3/4-25 1/4	7 7/8 - 8