Rails Chloe Romper in Blue. - size M (also in XS) Rails Chloe Romper in Blue. - size M (also in XS) 70% rayon 30% viscose. Hand wash cold. Partial mother of pearl button closure. Drawstring waist. Lightweight crepe fabric. Imported. RAIL-WR19. 927-131A-1983. 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.