A.L.C. Duke Jacket in Black. - size 4 (also in ) A.L.C. Duke Jacket in Black. - size 4 (also in ) The contemporary woman suited to perfection. The A.L.C. Duke Jacket redefines the business blazer with a single button front and slim silhouette tailored to sultry femininity and androgynous edge.. Self: 88% viscose 9% virgin wool 3% elastaneLining 1: 51% poly 49% cottonLining 2: 100% poly. Dry clean only. Front button closure. Padded shoulders. Faux welt pockets. ALX-WO15. 1JAKT00046. 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.