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.To further reduce our reliance on virgin materials, this product is made with at least 25% recycled materials and coloured in a more sustainable way.