Monarch Dress. Fashioned in Stretch Silk Crepe. Boatneck dress to mid-thigh with oversized draped sleeves. V-back with concealed zipper. 92% Silk, 8% Spandex. There isn't one dull feature of the MILLY Monarch Dress, cut from soft silk material that practically floats off of your body. Its astonishing bold color is balanced out by a simple, draping silhouette. Dry clean only.