K-Swiss Women's Hypercourt Express 2 96613-089K Swiss best selling shoe, the Hypercourt Express 2, is light, comfortable, breathable, and has a generous fit, making it the ideal choice for a variety of playing styles and levels. Durawrap Flex, gives the shoe support with no break in period, while Surgelite midsole technology provides all day comfort. The shoe also features a deep grooved herringbone outsole for exceptional traction on clay court surfaces.