Head Circumference		Children's Hat Size
Inches	Centimeters	Fitted	Easy Fitted	Stretch Fitted	Kids
18 1/2	47				Infant
19	48	6	XSM
19 3/8	49.2	6 1/8	S			Toddler
19 3/4	50.2	6 1/4		S/M
20 1/8	51	6 3/8	M				Child
20 1/2	52	6 1/2
20 7/8	53	6 5/8	L	L/X				Youth
21 1/4	54	6 3/4
21 5/8	55	6 7/8	XL
22	55.9	7

Head Circumference		Adult Hat Size
Inches	Centimeters	Fitted	Easy Fit	Sized Stretch Fit	Stretch Fit/Adjustable
21 1/4	54	6 3/4	Small (S)	Small/Medium (S/M)
21 5/8	55	6 7/8
22	55.9	7	Medium (M)		One Size Fits Most
22 3/8	56.8	7-1/8		Medium/Large (M/L)
22 3/4	57.8	7-1/4	Large (L)
23 1/8	58.7	7 3/8
23 1/2	59.7	7 1/2	XL	Large/XL (L/XL)
23 7/8	60.6	7 5/8
24 1/4	61.6	7 3/4	XXL
24 5/8	62.5	7 7/8
25	63.5	8

Hat - Helmet Sizing Guide

How to find your hat or helmet size
Place a measuring tape around your head just above the ears (Like you would place a hat on your head). Take the total circumference (distance around) in inches and match it to the chart below. For example: If your head measured 22 1/2 inches, your hat size would be 7 1/8.

Inches:	Hat Size:
20 3/4	6 5/8
21 1/4	6 3/4
21 5/8	6 7/8
22	7
22 1/2	7 1/8
22 3/4	7 1/4
23 1/4	7 3/8
23 5/8	7 1/2
24	7 5/8
24 1/2	7 3/4
24 3/4	7 7/8
25 1/4	8