superdown Sasha Button Top in White. - size S (also in M) superdown Sasha Button Top in White. - size S (also in M) 95% rayon 5% spandex. Made in China. Hand wash. Front button closure. Lightweight ribbed knit jersey fabric. SPDW-WS1386. SDS2241 F21. 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.