Here's an off-the-shoulder formal prom dress that's both simple and chic. Beautifully baring the décolletage, the straight neckline and off-the-shoulder long sleeves on this jersey prom dress draw the eyes for a figure-flattering effect. Hugging the curves softly through the hips, this simple prom dress provides a timeless silhouette. Versatile for any formal celebration, this off-the-shoulder long-sleeve prom dress is classic.