Young people dressing specifically for the task at hand, for every task, because specificity can be important. It produces a diverse street aesthetic distinct from the victorian era when people wore suits and dresses for literally everything.
Karen: "All these kids in goggles and helmets at the protest. Disgusting. In my day people wore suits for coal mining, tennis, and everything in between"
Vida: "Mom... Firstly you never went to a protest so how do you know, secondly you were born in the 1970's not the 1900's, and thirdly they're youthilitarian. Your generation militarised the police force. Did you know pepper spray is a war crime if you're using it on people that aren't your own!?"