Inside On’s tech lab, where robots build running shoes in 3 minutes and can eliminate up to 300 hours of human work

On's LightSpray technology uses robotics to create running shoe uppers in three minutes, reducing construction from 200 parts to seven and cutting 200-300 hours of human work. The company, founded in 2010, has filed 200 patents, achieved $3 billion in annual revenue, and a $15 billion market cap while competing against Nike and Adidas.