Rails Lorenz Blazer in Grey. - size S (also in L, M, XL/1X) Rails Lorenz Blazer in Grey. - size S (also in L, M, XL/1X) Self: 80% cotton 20% polyester Lining: 100% polyester. Dry clean only. Single breasted closure. 3-pocket styling. Buttoned cuffs. Midweight pique fabric. RAIL-MO40. RM-587-955E-004. 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.