The adidas by Stella Mc Cartney Adistar running shoes feature a streamlined silhouette and incorporate Repetitor 2.0 technology. A full-length Repetitor 2.0 midsole offers consistent energy return and stability, while Primeknit technology enhances the overall performance. regular fit laces textile and other materials upper textile lining other materials outsole repetitor technology primeknit technology It is recommended ordering your usual size.