Stay a step ahead of the competition in the TYR Women's Durafast Solid Diamondfit. Constructed with TYR's most durable textile, utilizing high denier poly fiber and innovative circular knit construction to combine the strength and colorfastness of polyester with the comfort of spandex. Featuring a medium neckline, sleek/flexible straps, keyhole back, and a moderate cut leg, the Diamondfit is ideal for athletes who want reliable coverage during every swim.