Adults Hat Sizing

CM	Inches	59Fifty 19Twenty	9Fifty	39Fifty	Adjustable	29Twenty
54.9	21 5/8	6 7/8		S/M
55.8	22	7			S/M
56.8	22 3/8	7 1/8
57.7	22 3/4	7 1/4	S/M	M/L		S 57.5cm
58.8	23 1/8	7 3/8				M 58.5cm
59.6	23 1/2	7 1/2	M/L			L 59.5cm
60.6	23 7/8	7 5/8				XL 60.5cm
61.5	24 1/4	7 3/4		L/XL
62.6	24 5/8	7 7/8
63.5	25	8

Kids Hat Sizing

CM	Inches		59FIFTY 19TWENTY	39THIRTY
48.2	19	Infant	6 Infant	Toddler / Child
49.2	19 3/8		6 1/8
50.1	19 3/4	Toddler	6 1/4
51.1	20 1/8		6 3/8 KIDS
52	20 1/2	Child	6 1/2 KIDS	Child / Youth
53	20 7/8		6 5/8 KIDS
53.9	21 1/4	Youth	6 3/4 KIDS
54.9	21 5/8		6 7/8 KIDS