Del Crochet Keyhole Dress Del Crochet Keyhole Dress 100% poly. Hand wash cold. Fully lined. Adjustable shoulder straps. Allover crochet fabric. Front keyhole with tie detail. Hidden back zipper closure. BTWR-WD438. BTD331 U18. 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.