Shop Mens's at RalphLauren.com, the Official Site of Ralph Lauren. Rugby Pony Sock Two-Pack - This handsome set of dress socks takes an athletic approach to style with rugby stripes on one pair and a solid color on the other. Ribbed cuffs. Our embroidered pony is located just below the cuff. 76% cotton. 21% nylon. 2% rubber. 1% spandex. Machine washable. Imported.