University of Oregon track coach Bill Bowerman created the first cushioned mid-sole by heating polyure-thane on his wife's waffle iron in the early 70s, which later led to the creation of Nike Air.

20世纪70年代初期，俄勒冈大学的竞赛教练比尔鲍尔曼在他太太的比利时格子饼贴膜上加热聚氨酯，打造出第一个有软垫的鞋子中底，后来促成了Nike Air运动鞋的问世。

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