DOLFIN Bellas Printed Bikini Bottom Finn This highly popular 2-piece design is the latest trend in training suits, especially for those training outdoors who want minimal tan lines. Featuring a keyhole opening in the top for water to pass through and stylish tie back straps, this fully lined training bikini will bring you hours of quality workouts while looking super hot! Features: 91% Polyester 9% Spandex Fully-lined Keyhold opening in top allows water to pass through Removable cups Adjustable tie back straps