I spotted the most epic amount of Rapha on one guy today. The guy had the hot pink socks, the rucksack with pink highlights, team sky helmet, and what I think was the pro team race cape (in yellow). Probably had Rapha bibs on as well, but I was too far away to be sure.
I was walkenger, just before the roundabout. When in doubt I should just shout Do a Rapha and see if people look