Shop Girls's at RalphLauren.com, the Official Site of Ralph Lauren. Big Pony Cotton Polo Shirt - This soft polo shirt is crafted from cotton mesh and features our signature embroidered Big Pony. Ribbed polo collar. Four-button placket. Short sleeves with sewn cuffs. An applied "3" patch accents the right shoulder. Uneven vented hem. Our signature embroidered Big Pony accents the left chest. 98% cotton. 2% elastane. Machine washable. Imported.