Made of 100% polyester, the TYR Durafast Solids Microback training swimsuit lasts 3 times longer than traditional Lycra swimming suits. Soft, comfortable, easy on the skin, this quick-drying TYR swimsuit boasts minimal moisture absorption and remarkable shape retention/memory, thanks to a unique blend of PBT and polyester. The chlorine-resistant, non-fading fabric of the TYR Durafast Solids Microback training swimsuit offers UPF 50+ sun protection. What more could you ask for?