Details Contrast pretty with tough by adding a black studded clutch and statement heels to Zac Posen's retro-inspired silk-chiffon dress. True to size . See Size & Fit tab Zac Posen dress: ivory silk, sheer silk-chiffon top, cross-over V-neck, long sleeves, pleated and ruffled faux pearl button-fastening cuffs, pleated ruffle detail and ruching along neck, paneled seam detail, lined through skirt. Button fastenings at back of neck, concealed zip fastening at back. 100% silk; lining: 95% silk, 5% elastane. Dry clean.