Swim in sleek, classic style. The feminine-yet-functional Nike Swim Poly Training Lingerie Tank One Piece Swimsuit offers a streamlined fit for reduced drag and more efficient performance in the water.Previously unlined, this new Nike swimsuit is lined in ice blue for increased modesty.Fabric 100% Polyester.Features Women's one piece training suit. Criss-cross lingerie straps: Enhances range-of-motion for chafe-free comfort.