The classic Bruin had a red stripe as per Marty McFly in Back to the Future. It was the Wimbledon (now called the Tennis Classic that Mac wore with the light blue swoosh)
I have seen them in the UK, same shop as I saw the Challenges.
"Tennis is just chess with balls."
Prince Classic Graphite 100, Prince Exo3 Graphite 93...who knows...who cares.