Rails Allegra Sweater in Black. Size L, M, S, XS. 87% cotton 8% poly 5% cashmere. Made in China. Dry clean only. Ribbed edges. Striped detail with metallic silver threading. RAIL-WK99. 815B-152A-3068. Launched in 2006, Rails is a unique brand of fashion fusing California comfort activewear with European styling. High quality fabrics, narrow cuts, and unique lines; this collection is influenced by international travel and metropolitan lifestyle.