History of Japan
During the post-WWII occupation, Douglas MacArthur further took it upon himself to civilize Japan. The wearing of Western clothing for everyone was encouraged—for women, blouses, skirts, brassieres, and panties instead of kimonos, and for men, shirts, trousers, and boxer shorts. It may be noted that while Japanese men traditionally wore a loincloth known as a fundosi, women generally went commando under their kimonos—it was observed that on windy days they would "often be blown open, presenting quite an eyeful.