What Katie Did 1950s Vintage Underwire Bra by What Katie Did 100% nylon Designed to lift, support and separate the breasts Top half of cups semi sheer organza, bottom half in satin and lightly padded Modern underwired fit with vintage stitch detailing Adjustable straps, hook and eye fastening at back Made from satin 100% polyester, sheer 100% nylon, powermesh 88% polyamide 12% spandex