Special Occasion The Sonya long velvet mermaid dress features an off-the-shoulder neckline with long fitted sleeves, a ruched front seam leading to a bold high-cut slit, and a floor-sweeping mermaid silhouette. Complete the formal outfit with a rhinestone necklace set.  Fit & Features Velvet fabric with knit lining, moderate stretch Off-the-shoulder neckline, no-slip strip, long fitted sleeves Dart seams, high waist seam Back zipper with hook-eye closure, ruched lower back Ruched front seam, high-cut slit Floor-length mermaid silhouette Runs true to size