Size (US) WAIST (US ) Thigh Leg Opening
30W 32 12.375 10
31W 33 12.625 10.25
32W 34 12.875 10.5
33W 35 13.125 10.75
34W 36 13.375 11
36W 38 13.875 11.5
38W 40 14.375 12
40W 42 14.875 12.5