Shop Baby's at RalphLauren.com, the Official Site of Ralph Lauren. Dual Match Cotton Polo Shirt - This classic long-sleeved polo shirt is crafted from soft cotton mesh and features our signature Dual Match embroidery. Ribbed polo collar. Two-button placket. Long sleeves with ribbed cuffs. Uneven vented hem. Our signature Dual Match embroidery accents the left chest. 100% cotton. Machine washable. Imported.