Rails SKHI Slub Cotton Jersey in Black. - size M (also in S, XL) Rails SKHI Slub Cotton Jersey in Black. - size M (also in S, XL) 100% cotton. Made in China. Machine wash. Partial front button closure. Slub jersey fabric. RAIL-MK3. RM-845A-943-1933. 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. Shop the latest in fashion from Rails