Shop Unisex's at RalphLauren.com, the Official Site of Ralph Lauren. Cotton Long-Sleeved Polo Shirt - Crafted from soft cotton mesh, this long-sleeved polo shirt features our signature embroidered pony. Ribbed polo collar. Two-button placket. Long sleeves with ribbed cuffs. Uneven vented hem. Our signature embroidered pony accents the left chest. 100% cotton. Machine washable. Imported.