Rails Marilyn Sweater in Gray. - size L (also in ) Rails Marilyn Sweater in Gray. - size L (also in ) 60% cotton 40% modal. Hand wash cold. Sleeve tie closures. Raw cut edges. RAIL-WK8. 8070-836-077. 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.