Speedo Women's Sweetheart Adjustable U-back Swimsuit 50% Polyester/50% Pbt Speedo exclusive endurance+ polyester fabric lasts 20 times longer to give you more value for your money Moderate leg height with new and improved hydro bra construction for added support and long lasting comfort Four-way stretch technology provides a body hugging fit, great shape retention, and soft comfort U back styling with adjustable straps and core compression fabric panel that trims and slims Made by speedo, the world's No 1 swim brand