Shop Unisex's at RalphLauren.com, the Official Site of Ralph Lauren. Plaid Cotton Jersey Polo Shirt - Combining the comfort of a T-shirt with the polished look of a polo, this relaxed-fitting shirt is crafted from soft cotton jersey and features a handsome plaid pattern. Polo collar. Three-button placket. Short sleeves with sewn cuffs. Patch pocket at the left chest. Even vented hem. 100% cotton. Machine washable. Imported.