Rails Bleached Chambray Piper Indigo Denim Shirt - Size Small Rails Bleached Chambray Piper Indigo Denim Shirt - Size Small Rails Oversized Chambray Button Down Shirt. A classic chambray shirt with a twist that you'll love wearing! This comfy top has a relaxed fit with a slight hi low hem, front pockets, collard neckline, & long sleeves. #bleached #denim