Rails Frida Midi Dress in Rose. - size S (also in XS) Rails Frida Midi Dress in Rose. - size S (also in XS) Self: 70% rayon 30% viscoseLining: 100% poly. Hand wash cold. Fully lined. Front loop button closure. Drawstring waist. Adjustable shoulder straps. Imported. RAIL-WD157. 927-146-1865. 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.