DetailsTYR Women's Size Chart Designed for today’s athlete, the CESO7A boasts a 100% polyester construction, making it nearly 20 times stronger than traditional swimwear. So, whether your training takes you to the pool or the beach, you can be sure TYR’s Durafast One® fabrication will provide both a secure fit and fade-free color. Featuring a low neckline, sleek/flexible straps, low back and high cut leg, the Cutoutfit is ideal for athletes who want minimal coverage with reliable support. TYR Training swimsuits are fully lined, ensure 4-way stretch technology and provide UPF 50+ sun protection. All Durafast One® suits are chlorine proof and sustain an impressive 300+ hours of performance.