Rails Iris Sweater in Green. - size XS (also in L, M, S, XL) Rails Iris Sweater in Green. - size XS (also in L, M, S, XL) 100% cotton. Made in China. Hand wash. Mockneck styling. Rolled raw-cut hem. RAIL-WK109. 858B-390A-4704. 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.