The Arena Women's Powerskin ST 2.0 Open Back Racing Swimsuit is a high-performance bodysuit top designed for competitive water polo players. It is made from a combination of nylon and elastane, providing excellent compression and support in the water. The swimsuit features an open back design, allowing for maximum freedom of movement and flexibility. It also has strategically placed seams and panels to enhance hydrodynamics and reduce drag. The Powerskin ST 2.0 is approved by FINA, making it suitable for professional water polo competitions. With its advanced features and superior performance, this bodysuit top is a top seller on Amazon for women's water polo.