FEATURES Chlorine resistance Thin supportive racerback straps Quick Drying 50+ UV Protection Medium Cut Leg Front lining MaxLife Eco fabric - made from at least 50% recycled polyester Material: 100% Polyester Fabric The Starfish Lightdrop Back from Arena is a girls' swimming costume made with MaxLife Eco fabric for maximum chlorine resistance and extreme durability while protecting you from the sun's UV UPF 50+ rays plus it has quick-drying properties. The open back in combination with the thin straps provides maximum freedom of movement excellent feel in the water and reduced drag. With a comfortable front lining.