TYR 401TSQR7A6 Solid Square Neck Controlfit Swimsuit, Navy, Size 6 Equipped with thin, removable contour cups and full body power mesh control to maximize your shape, the Women's Solid Square Neck Control fit Swimsuit is also created using our most advanced fabric - Durafast Elite. The Women's Solid Square Neck Control fit Swimsuit is 100% chlorine proof, 100% colorfast, provides 300+ hours of performance and includes an antimicrobial lining for freshness. Utilizing high denier poly fiber and innovative circular knit construction, this fitness swimsuit combines the strength and colorfastness of polyester with the comfort of spandex.