A line One Shoulder Sleeveless Floor Length Satin Prom Dress with Stormy Formal Dresses Elegant One Shoulder Sleeveless A Line Ruffles Maxi Formal Dress With Slit Black Formal Dresses With Slit & Windsor VFSHOW Womens Sexy Ruffle One Shoulder Double High Slit Formal Prom. Elevate your evening look with our Elegant One Shoulder Sleeveless A Line Ruffles Maxi Formal Dress with Slit. The flowy A line silhouette, one shoulder design, and slit add an elegant touch, while the ruffles bring a playful element. Perfect for formal or any formal event.