Rails Navi Dress in Black. Size S, XS. 55% rayon 45% viscose. Made in China. Dry clean only. Unlined. Back cut-out with tie closure. Attached waist tie. Midweight satin fabric. 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.