Navy Blue Off Shoulder Sweetheart Mermaid Satin Bridesmaid Dresses Off Shoulder Mermaid Bridesmaid Dresses for Wedding Satin Prom Dress Natural Waist Off The Shoulder Mermaid Dress Blue bridesmaid dresses Cart 0 Simple Off Shoulder Navy Blue Mermaid Long Custom Bridesmaid Dresses Affordable In Stock:Ship in 48 Hours Navy Blue Mermaid Off the Shoulder. This full length bridesmaid dress is made from navy blue satin and features a mermaid silhouette. Designed with an off the shoulder neckline, it includes a built in bra for added support and comfort. SKU: PB2759 Satin?? material Navy blue color Mermaid silhouette Off the shoulder Full length Built in bra.