With a supportive wide center back strap, our Free Back suit gives you good range of motion. Built for all sizes and perfect for Dual Meets. PowerPLUS fabric is up to 50% lighter than traditional swim fabrics, helping our performance swimwear maintain the edge in the water. It also resists pilling, fits perfectly and retains its shape use after use. When you’re ready for a boost in performance, reach for Speedo’s innovative PowerPLUS fabric. POWER, COMFORT AND FLUIDITY IN MOTION PowerPLUS fabric brings added power, comfort and fluidity of motion, all while cutting weight and drag. In addition to being lightweight, PowerPLUS compression technology increases muscle support and elongation for added power and decreased recovery times. Additional Features: Resists Chlorine: PowerPLUS features powerful chlorine resistance | Quick Drying: PowerPLUS dries quickly for comfort and convenience. | Resists Stretching: PowerPLUS maintains its shape 5 to 10 times longer than spandex.