Shop Baby's at RalphLauren.com, the Official Site of Ralph Lauren. Plaid Cotton Dress - This woven-cotton dress features a bright plaid pattern, sweet ruffled trim and our signature embroidered pony. Rounded neckline. Five-button placket with ruffled trim. Long sleeves with single-button cuffs. A self-tie sash secures at the waist. Shirring at the waist. Sewn hem. Our signature embroidered pony accents the left chest. Comes with a matching bloomer.