Take on every challenge in the TYR Women's Pacific Tieback Swim Top. Constructed with TYR's most durable textile, Durafast Elite - this onepiece performance swimsuit utilizes high denier poly fiber and innovative circular knit construction to combine the strength and colorfastness of polyester with the comfort of spandex. So, whether your training takes you to the pool or the beach, you can be sure TYR's Durafast Elite fabrication will provide both a secure fit and fade-free color. Featuring a low neckline, front venting, sleek/flexible straps and X-back, the adjustable pacific tieback top is ideal for athletes who want minimal coverage during every swim. TYR performance swimsuits are fully lined, provide UPF 50+ sun protection and 360 degree range of motion. All Durafast Elite suits are chlorine proof and sustain an impressive 300+ hours of performance. TYR Durafast Elite: 94% Polyester / 6% Spandex.