Gianna Slit Mini Dress Gianna Slit Mini Dress Self & Lining: 100% poly. Hand wash cold. Fully lined. Adjustable shoulder straps. Front overlay with hem slit. Hidden back zipper closure. Imported. SPDW-WD786. SDD986 U19. 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.