Which innovative product design feature did Nike introduce in 1979 that revolutionized athletic footwear and became a cornerstone technology for running shoes?

The sports footwear industry has undergone remarkable transformations through innovative product design and technology. What began as simple athletic shoes has evolved into highly specialized performance gear tailored to specific sports and athlete needs. This poll tests your knowledge about a revolutionary product design development that changed how athletes perform and how sports brands compete in the marketplace.

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Air cushioning technology
Flyknit woven uppers
Visible carbon fiber plates
Magnetic closure systems