Front and back lining Thin straps with a low, open back and also provides good support Great shape retention, 4-way stretch Lightweight, quick-drying fabric - resists sagging, bagging, fading and snagging Infinitex + Fabric (100% Polyester) UPF 50+ The 100% Chlorine Resistant Infinitex+ material feels comfortably soft and dry even when it's wet. The extra flat and dense fabric offers reduced transparency as well as high stretch and compression. 0391