Elegant Black Velvet Off-The-Shoulder Mermaid Sleeveless Prom Dresses With SlitThis Charming Black Velvet Off The Shoulder Mermaid Sleeveless Prom Dress with Slit is sure to turn heads. Constructed with luxurious velvet fabric, this figure hugging dress also features an alluring side slit for an extra touch of glamour. With an off the shoulder design, it provides an elegant look that can easily be dressed up or down.