Your go-to tri bikini top. Made with ultra thin straps that tie around the neck and back to give you a custom fit, this is a . The Tia bikini top is newly designed in our luxe satin swim material. She is finished off with in our colorful lemon drop fabric, calling it now, this satin bikini is going to be a summer hit. Exclusively from the Frankies Bikinis x Naomi Osaka collection.