Halter Monokini Monokini, One piece She Climbed Those Rocks in a Designer Swimsuit? #miamibeach # Monokini Banque d'images et photos libres de droit iStock Monokini Vintage Keep Rolling. 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.