DetailsTYR Women's Size Chart Take on every challenge in the TYR Women’s Solid Tetrafit Swimsuit. Designed for today’s athlete, the CXSOD7A 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, open cut leg the Tetrafit 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.