The Tyr Women's Alliance Splice Diamondback Swimsuit features a thin strap design, for reduced coverage and increased support. It is made out of 100% polyester Durafast™ and is 100% chlorine proof for 72 hours of exposure. It is designed to be fast enough for competition and tough enough for training. It lasts 20 times longer than traditional swimwear and provides 100% colorfastness. Engineered for maximum sun resistance, TYR Durafast™ never fades and built-in 4-Way Stretch Technology never loses its stretch, so you never lose your edge.