A Brief History of Puma's R-System and Puma's 2018 Update #WearableWednesday « Adafruit Industries – Makers, hackers, artists, designers and engineers!
Puma RS-Computer Sneaker | Uncrate
Puma re-releases its 1986 RS-Computer shoes
PUMA Re-Invents Their R-System For 2018
puma reissues 1986 smart sneaker that was way ahead of its time