Constructed with TYR’s most durable textile, Durafast Elite® this swimsuit utilizes high denier poly fiber and innovative circular knit construction to combine the strength and colorfastness of polyester with the comfort of spandex. The Racer is a compressive brief style which offers great support and comfort  TYR Swimsuits are lined and are Chlorine Resistant.  TYR Durafast Elite:  94% Polyester, 6% Spandex.