Take your swimming to the next level with the Women’s Arena Powerskin Carbon Open Back Kneeskin. This one piece swimsuit is designed for serious swimming with an open back and carbon technology. The Arena Powerskin Carbon is a perfect option for anyone looking to feel secure and strong throughout their swim. Made from durable polyester material, it’s the ideal choice for anyone who wants a swimsuit that will last. Whether you're practicing laps in the pool or competing in a race, the Arena Powerskin Carbon will keep you looking and feeling great.