New summer orange ruched dress size Large fits like a small!!

NWT! So cute mini dress!! Fits like a S/M why I sized it as a small e(see measurements) 94% polyester, 6% spandex Sleeveless, plunge, wrap silhouette, ruched detail, drawstring, shirring, draping, fold over fabric, strappy, lace up, ripped, twist front, orange, short approximate measurements: PIT TO PIT 12.5” Length 27”