|Perfects Australia Adele Racerback Underwire Bra (14UBR25). Modern, sporty, and sexy design provides support and a seamless look under clothing. Made of nylon, polyester, polyurethane, and spandex. Contour/t-shirt underwire cups have light padding for a completely smooth, rounded look. Sleek microfiber cup overlay glides against clothing. Center - arched center panel. Sewn-on elastic band along base of cups and center for fit. Sides and back are self-lined microfiber with sewn-on elastic at top and bottom. Wide-set, restricted stretch elastic straps adjust at front with plastic hardware. Lace racerback panel has a keyhole at base. Soft hook-and-eye closure connects back with coated metal hardware. See Fitter's Comments below for hook count. Pullover styling.