Shop Baby's at RalphLauren.com, the Official Site of Ralph Lauren. Ruffled Cotton Polo Dress - This super-cute polo dress is crafted from soft cotton mesh and features a ruffled hem and our signature embroidered pony. Ribbed polo collar. Three-button placket. Puffed short sleeves with ribbed armbands. Ruffled hem. Our signature embroidered pony accents the left chest. Comes with a matching bloomer.