Shop Men's at RalphLauren.com, the Official Site of Ralph Lauren. Big Pony Long-Sleeved Polo - This long-sleeved polo shirt is crafted from breathable cotton mesh and features our signature embroidered Big Pony. Ribbed polo collar. Two-button placket. Long sleeves with ribbed cuffs. Uneven vented hem. Our signature embroidered Big Pony accents the left chest. 100% cotton. Machine washable. Imported.