Rails Crosby Short in Pink. - size S (also in ) Rails Crosby Short in Pink. - size S (also in ) Rayon blend. Elasticized drawstring waist. Side slant pockets. Shorts measure approx 13 in length. RAIL-WF9. 6911 586 057. 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.