superdown Isla Top in Black & White. - size XS (also in M, S) superdown Isla Top in Black & White. - size XS (also in M, S) 100% poly. Hand wash cold. Adjustable shoulder straps. Front tie closure. Imported. SPDW-WS1148. SDS450 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.