Elegant Prom Gowns & Windsor Classic Evening Dresses & Windsor Black Formal Dresses With Slit & Windsor High Low Formal Dresses & Windsor. Make a stunning entrance in our Square Neck Velvet Prom Dress with High Slit. This elegant gown features a chic square neckline, rich velvet fabric, and a daring high leg slit for a glamorous yet sophisticated look. Key Features: Style: Square neckline, form fitting bodice, high slit A line skirt Color: Luxurious Royal Blue bold and regal Sizes: XS, S, M, L perfect fit for petite to standard sizes Fabric: Soft, stretch velvet for a luxurious feel and flattering fit Occasion: Ideal for prom, formal dances, evening parties, weddings, and special events