HOW TO SEW A FRONT SLIT on a dress skirt with lining neatly . Luuvis Women Gorgeous Blue Mermaid V Neck Long Lace Prom Dress With Slit Breeze Into Summer Elegance This ocean inspired floral gown captures the essence of tropical luxury. With a deep slit, delicate straps, and side cut outs it's made for bold boutique collections. Slit Skirt Draped Wrap Midi Dress creates a silhouette that turns every step into a statement.