SizeSMLXL
Men's Shoe Size (US)3 - 5.56 - 8.59 - 11.512 - 14
Women's Shoe Size (US)4 - 6.57 - 9.510 - 12.5--
Euro Shoe Size34 - 3738 - 4142 - 4546 - 49
Calf Circumference (in.)11 - 14.512.5 - 16.514.5 - 1816 - 23
Calf Circumference (cm.)28 - 36.532 - 4137 - 45.541 - 58