New With Tags Flawless J.Crew: Sweetheart tank dress with poplin skirt Color: Black Size: XL Approximate measurements laying flat Pit to pit:18.5” Length: 54.5” A-line silhouette. Falls above ankle 95% cotton/5% elastane. Built-in bra. Machine wash. Item CA647. A sophisticated, new style with the best of both worlds. - The top half has a touch of stretch and comes with a flattering sweetheart neckline, while the bottom half is swingy, subtly flared and crafted from crisp cotton poplin.