NWT Flared Dress with 3/4 Sleeves

Tag says size 6, but fits a 5'5" women who usually wears 10/12. A little snug fitting, but does have stretch to it. The stomach has some rouching that does not show when hanging. The color from original site is "Aubergine" but dress is brighter purple than the muted one shown on model photo from website. Only worn once to try on.