Rails Soleil Top in Black. - size M (also in S, XL, XS) Rails Soleil Top in Black. - size M (also in S, XL, XS) 100% acetate. Made in China. Dry clean only. Mockneck styling. Back cut-out with loop button closure. Lightweight satin fabric. RAIL-WS975. 525-688B-001. 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. Shop the latest in fashion from Rails