The Hypercourt Express 2 HB, 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. This HB sole is suitable for gravel surfaces, artificial grass courts and smash courts. The deep grooves in a herringbone pattern provide maximum grip on the court.