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