Jackie O Sleeveless Sheath Dress Wore a few times Belt is not included Black Halo "Jackie O" belted cocktail dress. Approx. length: 36"L from shoulder to hem. Asymmetric cowl neckline; scooped back. Sleeveless. Sheath silhouette. Knee-length. Vented back. Hidden back zip. Nylon/viscose/spandex. Nylon/spandex lining. Dry clean.