Rails Jenner Short in White. Size M. Also in XS, S. Rails Jenner Short in White. Size XS, S. 100% linen. Dry clean only. Front drawstring fastener. Pull-on styling. Lightweight linen fabric. Side seam pockets. Shorts measure approx 15 in length. RAIL-WF62. 229-249C-002. 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.