Measure your hip around the widest part of your hip and your waist around the slimmest part of your waist.

Size Hip (in) Waist (in) Inseam (in) - Short Inseam (in) - Reg Inseam (in) - Long
XXS 31-35 24-26 22-26 26-29 29-32
XS 34-38 26-28 22-26 26-29 29-32
S 37-41 28-30 22-26 26-29 29-32
M 39-43 30-32 22.5-26.5 26.5-29.5 29.5-32.5
L 41-45 32-34 22.5-26.5 26.5-29.5 29.5-32.5
XL 43-47 34-36 23-27 27-30 30-33
2X 45-49 36-39 23-27 27-30 30-33
3X 47-51 39-42 23-27 27-30 30-33