Shop Unisex's at RalphLauren.com, the Official Site of Ralph Lauren. Classic-Fit Big Pony Polo - This classic-fitting polo is crafted from breathable cotton mesh and finished with our signature Big Pony. Ribbed collar. Two-button placket. Short sleeves. Ribbed armbands. Uneven vented hem. Our signature embroidered Big Pony accents the left chest. 100% cotton. Machine washable. Imported.