Durable, quick-drying and sporty women’s swimsuit for regular and competitive swimmers, available in an extended size range from junior to adult sizes (please refer to the sizing chart for details). The Challenge Back silhouette features an open back with thin straps and a high-cut leg for maximum freedom of movement, excellent feel of water, and reduced drag. It also includes full lining for comfortable coverage. Made with MaxLife Eco fabric, arena’s most advanced and longest-lasting fabric that provides maximum chlorine resistance and extreme durability, UPF 50+ UV protection, and has quick-drying properties. This is arena’s most popular back style for swimmers. The 100% Polyester suit maintains superior softness, maximum durability, and long-lasting performance in chlorinated water all season long. Great for intensive training and competitions, this women’s and girls’ swimsuit is designed for maximum comfort, maximum range of motion, and zero distraction to keep you comfortable lap after lap.