Shop Baby's at RalphLauren.com, the Official Site of Ralph Lauren. Banner-Striped Polo Shortall - This cool cotton polo shortall features a sporty banner stripe and our signature embroidered Big Pony. Polo collar. Two-button placket. Short sleeves with ribbed cuffs. Ring snaps at the hem ensure easy on and off. "PRL Co."-embroidered patch accents the right chest. Our signature embroidered Big Pony accents the left chest. Applied "3" patch accents the center of the back. 100% cotton. Machine washable. Imported.