More Details Milly Butterfly-Sleeve Stretch-Silk Dress, Black Details Milly stretch charmeuse dress. Approx. measurements: 31"L shoulder to hem, 23"L center back to hem. Bateau neckline; scoop back. Butterfly sleeves. Relaxed fit. Hem hits mid-thigh. Back zip. Silk/spandex; polyester lining. Dry clean. Made USA of domestic material.