Womens Hats
Size	CM	Inches
56	56 cm	22"
57	57 cm	22.5"
58	58 cm	23"
59	59 cm	23.25"

Mens Hats
Size	CM	Inches
S	58 cm	23"
M	59 cm	23"
L	60 cm	23.5"
XL	61 cm	24"