LOWER-CARBON-FOOTPRINT RUNNING SHOES MADE IN PART WITH RECYCLED MATERIALS. More of what you need — comfort. Less of what we don't — CO2. A truly innovative collaboration, these adidas running shoes combine our expertise in technology with Allbirds' knowledge of natural materials. From the bio-based midsole to the no-dye upper, they optimise every part of the product cycle to create less waste and reduce carbon emissions — without ever compromising on performance. Enjoy your run knowing that your impact on the earth is light.