Sheath Silver Sequins Long Prom Dress With Slit on Luulla Fancy Dresses, Elegant Dresses, Gowns Dresses, Strapless Dress Formal Silver Plus Size Formal Dresses Silver Outfit Ideas: Your Glam Guide. The off the shoulder neckline showcases a hint of sophistication, complemented by the demure half sleeves. Crafted for grace and movement, the gown features a daring slit, adding a touch of modern glamour and allowing for an alluring glimpse of leg. Silhouette: A line Fabric: Chiffon Hemline: Floor length Back Details: Zipper,Backless Neckline: Off the shoulder Sleeve Length: Half Sleeve Embellishment: With Slit,Ruched,Bow Built In Bra: Yes