The reflective yellow coat is the new blue collar. They seem ubiquitous with drivers, delivery people, construction workers, etc.

Metropolitan Police, London Victoria Station, preparing for Swansea football fans, 31 March 2007
Metropolitan police, by chrisjohnbeckett, via flickr

And it’s amazing that Cambridge isn’t filled with broken high heels and students on crutches, given how many of the sidewalks are stone and brick. How can you walk in fashionable shoes on cobblestone?