Speedo Women's Bias Dots Ultraback Endurance+ Tankini Top 50% Polyester/50% Polybutylene Terephthalate Imported Speedo exclusive Endurance+ polyester fabric lasts 20 times longer to give you more value for your money Resists bagging, sagging, and the effects of suntan lotion, skin oils, and chlorine Four-way stretch technology provides a body hugging fit, great shape retention, and soft comfort Exclusive Speedo HydroForm bra construction that combines molded foam with power mesh for added support and long lasting comfort that won't retain water Made by Speedo, the world's #1 swim brand