superdown Havanna Strappy Back Top in Red. - size XS (also in XXS) superdown Havanna Strappy Back Top in Red. - size XS (also in XXS) 95% cotton 5% spandex. Hand wash cold. Back criss-cross straps. Back cut-out details. Imported. SPDW-WS367. SDD563 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.