Shop Unisex's at RalphLauren.com, the Official Site of Ralph Lauren. Tall Custom-Fit Big Pony Polo - This relaxed-fitting cotton mesh polo shirt features an applied "3" patch at the right sleeve and our signature Big Pony at the left chest. Ribbed polo collar. Two-button placket. Short sleeves. Ribbed armbands. Uneven vented hem. Applied "3" patch at the right sleeve. Our embroidered Big Pony accents the left chest. 100% cotton. Machine washable. Imported.