A.L.C. Emerson Button Down in White. - size 6 (also in 4) A.L.C. Emerson Button Down in White. - size 6 (also in 4) Silk blend. Dry clean only. Exposed front button closure with keyhole accents. Exposed button cuffs with keyhole accents. Front patch pocket. ALX-WS183. 5TOPS00628. 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.