Sizing

 Universal Traditional Cm  Inch 
S 6 7/8 55

21 3/4
M 7 - 7 1/8 56-57 22 1/8 - 22 1/2
L 7 1/4 - 7 3/8 58-59 22 7/8 - 23 1/4
XL 7 1/2 - 7 5/8 60-61 23 5/8 - 24
XXL 7 3/4 62 24 1/2