Tommy Bahama Pearl Solid Underwire Full Coverage Molded Cup Halter Bikini Top Danubio Underwire bikini top is fabricated from a premium Italian stretch microfiber that retains its shape, dries quickly, and resists fading. Microfiber fabric offers UPF 50+ protection. Ties at the neck and back. Underwire foam cups provide support and shape. Shirring on the cups adds stylish texture. Dyed-to-match lining. 80% nylon, 20% Lycra spandex. Hand wash cold, line dry. (Bottoms not included.)