Hanes All-Over Comfort Underwire Bra Lining: 100% Nylon; Cup Linings: 100% Polyester; Cup Pad: 100% Polyurethane Foam; Cup, Back, Strap, Inner Side Frame Lining: Nylon/Spandex. Exclusive of trim & elastics bras closure Silky-soft microfiber fabric feels soothing against your skin. Smooth nylon/spandex sides stretch for non-binding fit. Stretch foam lines seamless cups, for lovelier curves with less show-through. Plush wires provide cushioned lift. No-slip ComfortSoft straps gently add extra support. Nylon/polyester/spandex. Imported.