Monokini Banque d'images et photos libres de droit iStock Keep Tossing Rocks Monokini Bikini on Rock Free Stock Photo Do you dare to wear the monokini? London Evening Standard. The Keep Tossing Rocks Monokini offers a sleek, solid design made from a comfortable polyester and spandex blend that moves with your body. Its form fitting construction provides lasting support and a flattering fit for any water activity. Choose this swimsuit to feel confident and stylish wherever your adventures take you.