The Alliance Splice Racer is built for a team united in skill and determination. Showcasing 100% polyester Durafast™ the RPSP7 Alliance Racer is 100% chlorine proof for 72 hours of exposure. Designed to be fast enough for competition and tough enough for training, this men's swimsuit 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. Part of the TYR Alliance Collection. TYR Fabrication: 53% Polyester / 47% Polyester PBT (Lined Black)