Women's GlamoriseA(R) High Impact Wire Sport Bra B-C :: Work out with confidence in this high impact underwire sport bra. This bra provides the high impact support of a wire, using the unique Wonderwire design. You'll hardly know you are wearing a wire, it is so comfortable. The double layer cups are seamless and made of non-stretch material to give additional comfort and security. This sport bra features moisture wicking fabrics that keep you cool and dry during your workout.