ivy league clothing is derived from the casual attire worn by the british and american upper classes during the 1920s, for sporting pursuits such as golf, polo, sailing, rugby football, hunting, water polo, and tennis. typical summer attire for this time included navy two button blazers with gold buttons, striped college blazers, ascot ties, cable knit tank tops, oxford shirts, breton striped shirts, and wingtip shoes. for fall, trendsetters such as the duke of windsor combined the latest american fashions with traditional british country clothing such as brogue boots, argyle socks and jumpers, and tweed cloth sportcoats, irish walking hats and plus fours in houndstooth, herringbone, or the prince of wales check popularized by edward vii of england.