Size...XL (LL) This is an arena swimsuit. My mother used to go to swimming classes and has several swimsuits, but she's quitting the classes, so I'm selling the unused ones. She bought this about 5 years ago. It's a size O, which is equivalent to a size 13. Bust 87-91 Waist 68-72 Hips 95-99 Inseam 27cm Please understand that this is a used item that has been stored at home, and only purchase if you are okay with that.