sizing information

 Size  Centimetres Inches
S 70-75 27.5-29.5
M 75-80 29.5-31.5
L 80-85 31.5-33.5
XL 85-90 33.5-35.5
XXL 90-95 35.5-37.5
XXXL 95-100 37.5-39.5