A strange thing has happened over the last two decades: the world has come to believe that the most “authentic” American garments are those made in Japan. From high-end denim to oxford button-downs, Japanese brands such as UNIQLO, Kamakura Shirts, Beams, and Kapital have built their global businesses by creating the highest-quality versions of classic American casual garments—a style known in Japan as , or “American traditional.” In , cultural historian W. David Marx traces the Japanese assimilation of American fashion over the past 150 years. Now updated with a new afterword covering the last decade, shows how Japanese trendsetters and entrepreneurs mimicked, adapted, imported, and ultimately perfected American style, dramatically reshaping not only Japan’s culture but also our own.