Reference: 100#, 5'1, 32a... ordered size xs.  the suit is pretty.  under the neckline, where the two orange panels meet the white center panel, that corner puckers a bit.  this will not happen if you have a larger chest than my 32a or have a longer/broader torso so that the fabric can stretch out, thus pulling that merging area flat.  the sides (cut out) lays flat when you stand up straight and gapes when your turn/bend to the side.  i think this is expected.  the bottom section, on the back, c