Armani Exchange Women's Sleeveless Satin Shift Dress - NWT. Style 3ZYA16. Certificate of Authenticity. 100% polyester. A timelessly simple silhouette that's sure to flatter, this shift is sleeveless with a scooped back neckline. Size 2: pit to pit 16", waist 32", length 31.5". Size 4: pit to pit 17", waist 34", length 32". Cover image is a Armani stock photo of style. Not on Poshmark yet? Use my code PORTERVIEW to save $15