1970s A-Line Tied-Waist Wrap Denim Blue Jean SkirtI would call this a Size Small to Medium, in order for the seams to line up over the hips properly, with ample room in the back for coverage. I'm a Small with a 26. 5 inch waist and 37 inch hip. There is definitely about an inch of room all around for this to open up in size without changing the shape too much. It is meant to sit at your true waist so just at your belly button or above slightly. Basically the smallest point of your waist. The length