Bengaline: stretch woven fabric with a pronounced ribbed and crisp handle Main: 85% Viscose, 12% Nylon, 3% Spandex. Vesper gives you a serious fashion fix with their collection of figure sculpting dresses. Cut from luxe, super stretch fabrics, each dress is designed to flatter and enhance the female form. Inspired by the runway, expect an edit of cocktail dresses including bodycon styles, pencil dresses and wrap dress shapes.