Which innovative product design feature did Nike first introduce in 1979 that revolutionized athletic footwear and became a standard across the industry?

The sporting goods industry has seen dramatic shifts in how products are designed, marketed, and sold over the decades. Major athletic brands have continuously adapted their approach to product design and retail strategy to meet changing consumer demands. This trivia question explores a significant innovation in sports product design that revolutionized an entire category and shopping behavior. Test your knowledge of how sports retail products have evolved!

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Air cushioning technology
Self-lacing system
Reflective safety materials
Waterproof breathable membrane