The Leading Lady Serena Wirefree Low Impact Racerback Sports Bra (514) provides cool, comfortable support throughout a mild-to-medium impact workout. This pull-over racerback sports bra is made from 2-ply, breathable cotton optimal for light to moderate exercise. The racerback and wide straps distribute weight more evenly for greater support, and each size provides support for a range of up to three cup sizes. Perfect for the full-figured woman searching for a comfortable sports bra.