Which revolutionary cushioning technology, introduced in 1979, was initially developed using aerospace technology and fundamentally changed athletic footwear design?

The sports footwear market has seen remarkable technological innovations over the decades. Major brands constantly compete to introduce breakthrough technologies that enhance performance, comfort, and injury prevention. From cushioning systems to sustainable materials, these innovations often define market trends and consumer preferences. Test your knowledge about a pivotal moment in athletic shoe development that changed the industry.

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Nike Air (pressurized gas encapsulated in polyurethane)
Adidas Boost (TPU pellets molded together)
Puma Disc (laceless tightening system)
Reebok Pump (inflatable air chambers)