Everything
I ordered the navy in an xl although am generally a medium or large in tops. i sized up because it looked fitted and i think it was a good choice for me. it fits just like the model but the back droops a bit and the neck is wider. my bra is still covered in the back.  it fits perfectly in the waist and the elastic allows for some adjustment in placement. there's 2 layers of ruffles in the skirt portion. i'm 66 and was concerned it would be too young looking but i love the look. it hits about an