The Wilson Kaos Rapide shoes use modern technical solutions , which will guarantee comfort and proper cushioning during a fierce fight on the court and at the same time reduce the risk of injury. The upper (synthetic) is made in a way that gives high air circulation and reduces to a minimum unpleasant sensations due to moisture accumulating during the game. The sole is made of a highly durable compound and it also guarantees great cushioning, and the tread shape ensures grip even during sudden changes of direction.