Which iconic sports brand first introduced 'air cushioning technology' in their running shoes that featured visible air pockets in the sole?

Test your knowledge about groundbreaking product innovations in the sports footwear industry! The history of athletic performance is closely tied to advancements in footwear technology. Major sports brands have continuously pushed boundaries with materials, design concepts, and performance features that have revolutionized how athletes compete. This question focuses on a landmark innovation that changed the running world and sparked a new era in athletic shoe design.

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Nike (with their Air Max technology in 1987)
Adidas (with their Boost technology in 1985)
Reebok (with their Pump technology in 1986)
PUMA (with their Disc System in 1984)