San Francisco-based sustainable sneaker brand Allbirds was in the spotlight last year in our exclusive From the Ground Up series, as we took a deep dive into sustainability and how it is impacting the sneaker industry.

On Wednesday, former president Barack Obama was spotted courtside at a Duke University basketball game sporting a custom rag & bone bomber jacket, along with a pair of clean sneakers by none other than Allbirds.

It's no mistake the footwear brand is on the rise, so for our latest From the Ground Up segment "Behind the Shoe" we go in-depth into the independent company as we catch up with founder and co-CEO of Allbirds, Joey Zwillinger at the brand's first Soho location. We discuss how the sustainable sneaker approach came to fruition, the company's utilization of wool and eucalyptus turned into must have sneakers, and more.

Click play above and enjoy the video.

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