Which innovative manufacturing technique did Nike co-founder Bill Bowerman create using his wife's waffle iron that revolutionized running shoe design in the 1970s?

Nike revolutionized the athletic footwear industry with one particular innovation that transformed how running shoes were designed and manufactured. This development, created by Nike co-founder Bill Bowerman in the early 1970s, fundamentally changed athletic performance and launched Nike as a dominant force in sports retail. Test your knowledge of this pivotal moment in sports product design history that still influences the shoes athletes wear today.

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The Waffle Sole - creating the first cushioned running shoe with a waffle-patterned outsole for superior traction
Air Bubble Technology - embedding pressurized air pockets in the midsole for enhanced cushioning
Flywire Construction - using tensile fibers to reduce weight while maintaining structural support
Compression Molding - creating the first single-piece foam midsole for consistent cushioning