Josie by Natori Women's Etoile 3/4 Contour Plunge Bra Body: 85% Nylon/15% Lycra Spandex; Lace: 69% Nylon/21% Spandex/10% Rayon Hand Wash Contour, underwire cups have center vertical darts for shape and light padding Deep under band smooths you and provides additional support Covered elastic straps adjust in the back with coated metal hardware and feature a double, inverted v attachment at the back for stability