Sheath Column Cowl Neck Sleeveless Silk Like Satin Prom Dresses With Elegant Sheath Cowl Neck Sleeveless Cut Out Back Periwinkle Satin Floral Floor Length Prom Dresses Sheath Column Satin Prom Dress Cowl Neck Asymmetrical with Pleated Sheath Column Satin Prom Dress Cowl Neck Asymmetrical with Pleated Off the Shoulder Cowl Neck Satin Prom Dress with Slit Sheath Column Cowl Neck Sleeveless Sweep Train Silk like Satin Prom. This elegant prom dress features periwinkle satin (with subtle floral embossing & thin halter straps): it has a cowl neckline, sleeveless design, sheath silhouette, cut out open back, and a sleek floor length hem. The soft, sophisticated style is perfect for prom, formal dinners, or upscale evening events.