Rails Idris Blazer in Grey. - size S (also in L, M, XL/1X) Rails Idris Blazer in Grey. - size S (also in L, M, XL/1X) 40% polyester 34% rayon 12% acrylic 12% cotton 2% spandex. Made in China. Machine wash. Front button closure. 3-pocket styling. Button cuffs. RAIL-MO23. RM-537-980B-6. 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.