The Holy Brotherhood was a security force in the Castile in the 15th century to defend the villages of thieves and highwaymen, and they were distinguished by green sleeves that showed their leather vests. Initially they were very efficient, but over time began to take to reach the site of the heists, to avoid having to deal with offenders. That is why the people were shouting them ironically " good time come the Green sleeves! " , and the phrase was already dissolved the police force, to highlight a fact that occurs late, out of time. See: http: //www. meaning. org/green sleeves. htm
