Tobi trousers
trousers or  pants are a type of baggy pants used as a common uniform of , construction workers in Japan who work on high places (such as scaffolding and skyscrapers). The pants are baggy to a point below the knees, abruptly narrowing at the calves so as to be put into the footwear: high boots or  (-style boots). According to a spokesperson for , a major manufacturer of worker's clothes of this style, the style was developed from knickerbockers which were part of Japanese military uniform during World War II. The regular knickerbocker-style pants are called  ( meaning "trousers" and  or , a  transformation of the word "knickerbockers"). The excessively widened ones are called . This style has also entered popular fashion, as evidenced by the emergence of  (" maniacs"), die-hard fans of  trousers. References

Trousers and shorts
Japanese lower-body garments