However, the inconvenience of monpe (women's work pants) was recognized during World War II and there was a mass influx of western clothes as part of American aid when there was a shortage of clothing during the postwar chaos.
しかし、第2次世界大戦中に、もんぺの不便さが認識されたこと、戦後混乱期に衣類市場が空白になったところに、アメリカの援助物資としての洋服が大量流入した。