Shop Men's at RalphLauren.com, the Official Site of Ralph Lauren. Channel-Quilted Workshirt - Our Channel-Quilted Workshirt features a warm buffalo plaid cotton lining and utility pockets. Point collar. Zigzag stitching at the undercollar. Applied snapped placket. Long sleeves with snapped barrel cuffs. Snapped-flap patch pocket with three pen sleeves at the left chest. Snapped-flap patch pocket at the right chest. Even-sewn hem. Fully lined and filled. Shell and fill: 100% polyester. Lining: 100% cotton. Machine washable. Imported.