I'm typically a size 0/2 and this fits me well. I'm 5'6", 120 pounds and a 32B with an athletic body type. I would say that this dress fits more like an XS than an XXS, but it's strechy so could probably fit a small range of sizes. The jersey fabric is thick enough to be forgiving and the ruched waist is very figure flattering. Super cute for vacation or a bridal shower.