This classic Asics shoe provides exceptional performance for the keen tennis player. The silicon based GEL cushioning in the heel and front foot protect the feet whilst playing competitive tennis. The Solyte material in the mid-sole is up to 10% lighter than Asics standard EVA and its high dampening capacity gives improved support whilst running around the court. The PHF (personal heel fit) give two layers of memory foam that meld to your heel to give your own unique fit and maximum grip