How does K-Swiss make its best-selling shoe model even better? By adding Surgelite midsole technology the Hypercourt Express 2 becomes even lighter and more comfortable while keeping its trademark breathability and generous fit. Additionally, the brand introduces Durawrap Flex, giving the shoe more support with no break-in period. The shoe also features a deep grooved herringbone outsole for exceptional traction on clay court surfaces.The new upper design instantly makes the model fresh and modern looking which will impress current and new tennis players who wear the shoe. Synthetic Leather Upper Textile Collar Lining Rubber Outsole CMEVA Midsole Molded Ortholite x40 Sock Liner Lace Closure