The iconic Stan Smith sneaker has been keeping feet fresh since 1970. Now, the world is changing. So it's time for us to change, too. These shoes are made with recycled and vegan materials as part of adidas' commitment to help end plastic waste. But you'd never know about the change by looking at them. They've got the same smooth look, crisp lines and low-profile style as the original. This product is made with Primegreen, a series of high-performance recycled materials. It's also made with vegan alternatives to animal-derived ingredients or materials. Other Materials.