Durability knows no limits with the Women's Durafast Diamondfit Swimsuit. The Durafast swimsuit is made with 100% polyester and is 20 times longer lasting than traditional swimwear; you can be sure the fit won't sag and the color won't fade in the sun or chlorine. Boasting four way stretch technology and UPF 50+, this Durafast swimsuit provides excellent freedom of movement and sun protection.