-Super Pro Back features wide straps for superior support and comfort.-Engineered from our exclusive, longest lasting and best-selling Endurance fabric:-100% chlorine resistant fabric designed to lasts 20 times longer than conventional swimwear fabrics.-Four-Way Stretch technology providing a body-hugging fit, great shape retention and soft comfort.-Helps resist sagging and bagging, keeping swimwear fitting newer longer.-Features lower back and higher leg cut for better freedom of motion in the water.-Front liner.-Fabric: 50% Polyester/50% PBT.