TIL in 1971, Nike Co-Founder Bill Bowerman used a waffle iron to create a new sole. This inspired Nike's first shoe, the Waffle Trainer in 1974. : r/todayilearned
Nike, Inc. - Wikipedia
Nike Waffle Trainer 2 Black White Men's - DH1349-001 - US
Nike Waffle Trainer 2 Green Noise Men's - DC2646-300 - US
Nike Waffle Trainer: A Brief History | Highsnobiety
Nike Waffle Trainer 2 Medium Blue University Gold Men's - DH1349-402 - US