Brochu Walker Lou Cowl Sweater in Brown. - size XS (also in M,S) Brochu Walker Lou Cowl Sweater in Brown. - size XS (also in M,S) 37% wool 30% viscose 20% nylon 8% angora 5% cashmere. Dry clean only. Attached ribbed, adjustable scarf. Side hem slits. Knit fabric with ribbed edges. Imported. BROC-WK4. FVA3417. Designers Lisa Brochu and Lauren Walker describe their collection of soft, luxurious cashmere as pieces for cocooning and layering. Their collection is traditional and simple, designed using soft colors and subtle details, but none the less still warm and inviting.