Japanese warriors wore their hair up in a small ponytail after shaving the entrance of their heads. However, in contrast to the person bun of today, this wasn’t only for trend. Blue is the colour of loyalty, which explains why U.S. law enforcement officials wear blue uniforms. The European ladies in medieval times used to put on green, which was thought to help and/or symbolize fertility. Baggy pants have been first worn inside a Los Angeles jail, since the inmates weren’t allowed to wear belts.