Bio-based TPU shell made with 47% plant-based content Imported Lace closure Futuristic and functional, you'll be a step closer to a better planet in the adidas by Stella McCartney Sportswear Shoe. Inspired by nature, the shoe is crafted in part from natural and renewable materials. A sock-like upper is set atop a cool, chunky midsole for ultimate comfort and support with every step. Pared-back hues and a fashion-forward silhouette means you can easily incorporate them into your everyday wardrobe, too.