SPEEDO High Neck Piped Speedo? Endurance Hydroform Sports Bra: Molded foam with power mesh for a smooth and supportive fit. Logo plush elastic creates underwire-like support without the underwire discomfort. Supports and enhances your figure without retaining water. 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. Core Compression features strategically placed mesh compression fabric that trims and slims for the most flattering fit. Moderate leg cut features a middle length height that helps lengthen your legs, while still remaining slightly conservative. Back closure. Fabric: 50% Polyester/50% PBT.