Shop Boys's at RalphLauren.com, the Official Site of Ralph Lauren. Striped Cotton Polo Shirt - Crafted from soft cotton mesh, this fun polo shirt features bold stripes and our signature embroidered pony. Ribbed polo collar. Two-button placket. Short sleeves with ribbed armbands. Uneven vented hem. Our signature embroidered pony accents the left chest. 100% cotton. Machine washable. Imported.