NIVIA POWERSMASH Tennis Shoes On the court, you need a variety of skills to defeat your opponent; speed, agility, and tact come from within, but stability, grip, and support come from your shoes. The POWERSMASH is a non-marking indoor court shoe made for tennis and other fast-paced court sports. Spacer mesh upper TPU film with seamless upper design. The Fusion Technology construction produces an irritation-free fit, reducing bulk, layers, and weight Two layers of high-density foam line the collar and mould to the athlete's foot to create a personalised heel fit, adding soft support and custom comfort. A moulded removable P.U (SPORTHO FOOT CUSHION) sock liner exists as an extra layer of plush, step-in comfort. Soft cushion The NR EVA inner insole provides better cushioning and comfort. Duofoam Midsole: Located in the midsole, it provides lightweight cushioning. It is 15% more responsive than standard EVA, Resilience while infusing every stride with the power required for a game. Non-marking The Multi-Directional structure and Round Sole-outsole have Multi-Directional herringbone. The partitioned curves enable better agility. The Nivia Round Sole is designed to provide all-around support for quick and smooth footwork. The round sole ensures smooth movements and the transfer of maximum energy. Toe stitching on the sole lip gives support to the toe area.