The yonex sht power cushion cefiro mens tennis shoes are best suited to all courters who want great levels of comfort and cushioning to dominate on the court they have a performance driven design with a breathable upper produced from synthetic leather and mesh and boast quattro fit technology for a great fit quick response and an improved power transfer the soft cushioned eva midsole is made using power cushion technology for excellent impact attenuation and the outsole is manufactured from