superdown Sonya Rib Sweater Tank in Metallic Gold. - size XS (also in M) superdown Sonya Rib Sweater Tank in Metallic Gold. - size XS (also in M) 83% viscose 15% nylon 2% spandex. Hand wash cold. Metallic threading throughout. Ribbed fabric. Imported. SPDW-WS1070. SDK47 F19. superdown is a contemporary label offering on-demand, on-trend, on-social apparel. Always on the pulse of the latest styles, superdown is the go-to for aspiring, trendy, fashion-loving babes who are #superdown for anything.