I wear 34" to 36" waist with muscular legs and XXL was perfect. They fit like they were made for me. Completely flattering. I bought the two-color version WITHOUT that odd seam in the back. I have two variations so far.  I want to buy more of the two-color version, but they seem to have disappeared. Desmiit products seem to be excellent (I just got some amazing compression pants from them, too.) and so I expect to buy more.