Size (US) WAIST (US ) Thigh Knee Leg Opening
XS 29 11.25 7.25 3.5
S 31 11.875 7.75 4
M 33 12.5 8.25 4.5
L 35 13.125 8.75 5
XL 37 13.75 9.25 5.5
XXL 39 14.375 9.75 6