CM	Women's	U.S. Women's	Men's	U.S. Men's	Europe
21 cm	S	4		3
22 cm		5		4
23 cm	M	6		5	36
24 cm		7	S	6	37-38
25 cm	L	8		7	39
26 cm		9	M	8	40
27 cm	XL	10		9	41-42
28 cm		11	L	10	43
29 cm				11	44
30 cm			XL	12	45
31cm				13	46
32 cm				14	47
33 cm				15
34 cm				16
35 cm				17