Calvin Klein Seductive Comfort Caress Bra (F3455). This push-up bra features padding that varies by cup size. Built on a base with an elastic underband for superior support. Contour, underwire cups shape and support the breasts with firm, medium graduated padding along bottom of cups. Padding varies by cup size, with A cup having more than D. Center panel - low for plunge fashions, and wide. Elastic along edges of sides and back for custom fit. Seamless sides for a smooth look under clothes. Narrow, non-stretch front shoulder straps attach to elastic that adjusts in the back with plastic hardware. Back coated metal hook-and-eye closure, see Fitter's Comments below for hook count.