Your future track athlete is also a future engineer. These kids’ running shoes were created by adidas in partnership with the LEGO® Group to support creativity and active play. A Torsion Bar in the shape of a LEGO® brick adds stability to their stride. This product is made with Primeblue, a high-performance recycled material made in part with Parley Ocean Plastic. 50% of the upper is textile, 75% of the textile is Primeblue yarn.