Shop Baby's at RalphLauren.com, the Official Site of Ralph Lauren. Color-Blocked Big Pony Polo - This color-blocked polo shirt is crafted from soft cotton mesh and features our signature embroidered Big Pony. Ribbed polo collar. Two-button placket. Short sleeves with ribbed armbands. Uneven vented hem. Pieced banner stripe at the front. Our signature embroidered Big Pony accents the left chest. 100% cotton. Machine washable. Imported.