SPEEDO Sprint Splice PowerPLUS Brief Product Details PowerPLUS fabric: Brings added power, comfort and fluidity of motion-all while reducing drag. Up to 50% lighter than traditional swimwear. Compression technology increase muscle support and elongation for increased power. Compression reduces recovery times. Resists pilling, fits perfectly and retains its shape use after use. Fabric: 79% Nylon/21% LYCRAu00ae XTRA LIFE fiber.