Speedo equals better fit, performance, quality, and innovation The keyhole back tankini swimsuit top from our aquatic fitness collection is a great core solid with racer back styling for a secure, comfortable fit. Made of our exclusive endurance chlorine resistant fabric to last 20 times longer than ordinary spandex, it also has our four way stretch technology for a body hugging fit and softer feel. So no bag and sag, and it looks like new for longer. It features removable cups and is ideal for any water activities or while lounging poolside or at the beach. Choose from our many bottom options to make the perfect set. Look and feel your best in or out of the water, while you play, train or win in speedo, the choice of champions