Size (US) WAIST (US ) Thigh Leg Opening
28W 30 11.875 9.25
30W 32 12.375 9.75
31W 33 12.625 10
32W 34 12.875 10.25
33W 35 13.125 10.5
34W 36 13.375 10.75
36W 38 13.875 11.25
38W 40 14.375 11.75
40W 42 14.875 12.25