Sarah Blakely launched her Spanx brand to fill the gap in the market for alluring control underclothing and beachwear. Now the go-to name for an unrivalled selection of foundation-wear, Spanx has totally revolutionized the fashion industry. Synonymous with versatility and function, Spanx is steeped in luxury support. Lyst's edit of Spanx beachwear is equally as flattering, elegant and form-fitting as the company's coveted underwear ranges. Tankini tops, swim dresses, bodysuits and swim pants receive modish updates from contemporary textures and vibrant hues while staying true to an essential functionality.