Speedo Women's Power Sprint Flyback Endurance Swimsuit 50% Polyester/50% Plastic Imported Speedo exclusive endurance+ is our longest lasting and best selling fabric to give you more value for your money Resists bagging, sagging, and the effects of suntan lotion, skin oils, and chlorine Unique 9 thread flatlock stitching for superior fit and feel Full front and back lined with thin strap flyback styling for a comfortable, secure fit that doesn't bind or gap Made by speedo, the world's #1 swim brand