Long Mermaid Prom Dresses & Windsor High Slit Strapless Mermaid Lace Up Stretch Satin Prom Dress Royal Blue Zapaka Women Royal Blue Prom Dress With Slit Mermaid Spaghetti Straps Strapless Red Mermaid Lace Prom Dresses, Red Mermaid Lace Formal Eveni. Crafted from stretch satin, this strapless mermaid dress contours the body in a flattering trumpet shape. The bodice features elegant appliques with soft pleating, and the side slit adds graceful motion. Finished with a lace up back, it offers a customized fit ideal for proms or formal occasions. Silhouette: Trumpet Mermaid Fabric: Stretch Satin Hemline: Sweep Brush Train Back Details: Lace up Neckline: Strapless Sleeves: Sleeveless Embellishment: Appliqued, With Slit, Pleated Built In Bra: Yes