What are 'tech pants' and why are they replacing trousers, khakis and jeans?

Joe Kudla looks at the Vuori tech pant in the design area at its headquarters in California. The 10-year-old company has ridden the popularity of its tech pants to the top rungs of the athleisure market. Photo: The New York Times

When Joe Kudla talks about the Vuori customer – the loyal, die-hard consumer of the company he founded a decade ago – Jimmy Spencer is exactly the kind of person he has in mind.

“Oh, I’m Mr Vuori,” said Spencer, 41, a Californian who works in sports media and bought his first Vuori T-shirt about six or seven years ago.