SPEEDO Color Block Ultra SPEEDO Color Block Ultra SPEEDO Color Block Ultra SPEEDO Color Block Ultra SPEEDO Color Block Ultra SPEEDO Color Block Ultra SPEEDO Color Block Ultra SPEEDO Color Block Ultra SPEEDO Color Block Ultra SPEEDO Color Block Ultra SPEEDO Color Block Ultra SPEEDO Color Block Ultra SPEEDO Color Block Ultra SPEEDO Color Block Ultra SPEEDO Color Block Ultra SPEEDO Color Block Ultra SPEEDO Color Block Ultra SPEEDO Color Block Ultra SPEEDO Color Block Ultra SPEEDO Color Block Ultra SPEEDO Color Block Ultra SPEEDO Color Block Ultra SPEEDO Color Block Ultra SPEEDO Color Block Ultra Ultraback styling features wide straps for a secure and comfortable fit, and a high back cut for maximum coverage. Core compression fabric provides a slimming and slender fit. Soft cups provide support and extra shaping. Conservative styling offers the maximum coverage in the leg, neckline and back. Speedo? Endurance is 100% chlorine resistant fabric that is designed to last 20 times longer than spandex. Speedo? Endurance features 4-way stretch technology for a comfortable fit. Fabric: 50% Polyester/50% PBT.