superdown Sofia Square Neck Top in White. - size S (also in M, XL, XS, XXS) superdown Sofia Square Neck Top in White. - size S (also in M, XL, XS, XXS) 95% rayon 5% spandex. Made in China. Hand wash. Ruched slinky jersey fabric. SPDW-WS1843. SDS2721 H21. 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.