More Details Halston cocktail dress in silky georgette with a flowy, asymmetrical sleeve. Approx. 37"L down center back. Crew neckline; keyhole-button back. Sleeveless right; long left sleeve. Self-tie draped from side of waist. Sheath silhouette. Hem hits about at the knee. Slipover style. Polyester, self/lining. Dry clean. Imported.