Power up your tennis game with the Nike Air Zoom Tennis Trainer. Made with a synthetic leather upper at a 5/8 height for extra support on the court. There is a lightweight Phylon™ midsole with Zoom Air™ units in the heel and forefoot for cushioning, and a molded toe piece insert for toe drag durability. The outsole is made of XDR rubber with a versatile outsole pattern for all on- and off-court needs.