An off-shoulder neckline means that the sleeves or straps sit below the shoulders, and an off-shoulder fitted long gown is a kind of dress made to fit the curves of the body. For a form-fitting silhouette. The gown might be floor-length or a few inches above the ankle in length. For formal occasions like proms, weddings, and red carpet appearances, off-shoulder fitting long gowns are fashionable. They can be simple and understated to elaborate and adorned with sequins or beading, among other styles. A variety of colors, from the traditional black to strong, vivid hues, can also be found in them.