By Anthropologie The Tilda Velvet Slip Skirt Dar Turquoise Abstract A slip skirt in the truest sense, the on-trend Tilda keeps it simply chic with a French-inspired bias-cut design that makes it drape and move just so. A slip skirt in the truest sense, the on-trend Tilda keeps it simply chic with a French-inspired bias-cut design that makes it drape and move just so. Viscose, nylon. Slim silhouette. Pull-on styling. Size XS. Excellent used condition.