Elegant Mermaid One-Shoulder Sleeveless Zipper-Back Velvet Floor-Length Bridesmaid DressesThis elegant bridesmaid dress features navy blue velvet fabric: it has a one shoulder neckline, sleeveless design, figure hugging mermaid silhouette, zipper back detail, and a sweeping floor length hem (with a side leg slit). The rich, refined style is perfect for winter evening weddings, formal receptions, or upscale cozy bridal events.