Anne Cole Rainbow Arches Foldover Mid-Rise Bikini Bottoms Lined, 82% Nylon 18% Spandex XS: Waist 26 inches, Rise 9 1/4 inch (Pos-189) SM: Waist 28 inches, Rise 9 1/2 inch (Pos-70) MED: Waist 30 inches, Rise 10 inch (Pos-67) XL: Waist 34 inches, Rise 10 3/4 inch (Pos-54)