Work out with confidence in this high impact camisole underwire sport bra. The camisole design provides upper bust containment during any activity. In addition, the double layer cups provide the high impact support you'll need for your workout. The Wonderwire design shapes your bust but you'll hardly know you are wearing a wire, it is so comfortable. This sport bra features moisture wicking fabrics that keep you cool and dry during your workout. Polyester.