K-Swiss Court Express 2 Clay Mens Tennis Shoes -Infinity/White/Scarlett Ibis - 2025Type Designed for use on clay courts, however they can also be used on other surfaces Upper Leather Sole Non Marking Description; Built on our top selling Express platform, the new Court Express 2 is the perfect option for developing players. Its breathable mesh quarter is paired with a K EVA Midsole for maximum comfort and support. A non marking Aosta 7. 0 rubber outsole with a herringbone pattern offers optimal traction on clay and extends as a drag