The one piece swimsuit is designed for fashion-consious swimmers. It features a hollowed-out backing. The fabric construction is 83% nylon and 17% spandex. This combination is ideal for displaying the vivid colors of a printed design. There is an elastic component near the chest area. This is designed for extra support. .: 83% Nylon 17% Spandex .: Light fabric (5.01 oz/yd² (169 g/m²)) .: Cut out at the back .: Elastic straps .: Runs smaller than usual