Take on every challenge in the TYR Women's Solid Trinityfit. Designed for today's athlete, its Durafast One® 100% polyester construction is nearly 20 times stronger than traditional swimwear — a secure fit and fade-free color wherever training takes you. A medium neckline, sleek flexible straps, open triple-bound X-back, and high-cut leg deliver comfortable coverage during every swim. Durafast One®: 100% Polyester — nearly 20x stronger than traditional swimwear Chlorine proof — sustains 300+ hours of performance Medium neckline; sleek, flexible straps; open triple-bound X-back; high-cut leg Fully lined; 4-way stretch technology UPF 50+ sun protection COMFORT — Flexible straps and a full lining stay comfortable through daily training. PERFORMANCE — The open X-back delivers full range of motion set after set. DURABILITY — Chlorine-proof Durafast One® sustains 300+ hours of fade-free performance.