ATTRACO Women's Athletic One-Piece Swimsuits Sports Racerback One Piece Swimwear Fabric: 82% Polyester; 18% Spandex; Lining:100% Polyester Athletic one piece swimsuit features medium neckline, keyhole back, and moderate leg cut Chlorine-resistant polyester fabric helps retain shape and last longer than traditional nylon fabric Splicing creates a slimming effect; Wide straps offer enough support and comfort Racer back allows full range of arm motion; Fully lined; Built with soft removable cups Suitable for diving, swimming, surfing, snorkeling, underwater working or other water sports Sporty, contrast side splicing and piping creates a slimming effect. Great for daily lap swimming and water aerobics.