Rails Lo Top in Brick. - size S (also in L, M, XL, XS) Rails Lo Top in Brick. - size S (also in L, M, XL, XS) 100% cotton. Machine wash. Front button closure. Buttoned cuffs. Lightweight gauze fabric. RAIL-WS1095. 641-212A-609. 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.