This Dominique Maxine Seamless Bra 4500 features light foam padding for cleavage enhancement. Outer cups, sides and back are ultra-soft. Made of a nylon/spandex for extremely soft comfort against the skin. Sides and back are 2-ply. Made of nylon/spandex. Dominique's Maxine Seamless Bra offers a leotard back that keeps straps from slipping and provides more support.