A.L.C. Sarah Dress in Black. - size S (also in L,M) A.L.C. Sarah Dress in Black. - size S (also in L,M) 83% viscose 17% poly. Dry clean only. Unlined. Pull-on styling. Foldover neckline. Rib knit fabric. ALX-WD235. 7SWDR00284. Designer Andrea Leiberman's key pieces for fall arrive as a mixture of knit separates, classic blazers, and airy pleats. As her line continues to evolve and expand, expect looks that incorporate leather, fur, and original prints as well as the introduction of new silhouettes.