Shop Men's at RalphLauren.com, the Official Site of Ralph Lauren. Plaid Flannel Shirt - Designed with a plaid pattern, this cool shirt is made from soft cotton flannel and washed to give it a lived-in look. Point collar. Applied buttoned placket. Long sleeves with buttoned barrel cuffs. Buttoned patch pockets at the chest. Split pleated back yoke ensures smooth, contoured shoulders. Our signature logo shield label is at the left chest pocket. 100% cotton. Machine washable. Imported.