Fastskin HyperSpark: Your journey to unstoppable starts here Take your race day performance to the next level wearing the Fastskin HyperSpark Openback Kneeskin. Our Fastskin race suit is designed for speed and comfort with flexible knitted fabric and flatlock seams. Sewn dual-layer inner panels provide low-level compression at the core and legs, so you can conquer the competition in style and comfort. Flexible, low-profile comfort straps and an open back allow a full range of arm and shoulder mobility, ensuring nothing holds you back on your path to the podium. This product has been fully approved by World Aquatics.
