Adidas Performance Men's Novak Pro Tennis Shoe 100% Synthetic Imported Rubber sole Synthetic leather upper for durability and light weight ADIPRENE+ in the forefoot maintains propulsion and efficiency ADIPRENE under the heel for superior cushioning at impact; TORSION SYSTEM for midfoot integrity Use MI Coach to track and improve your performance Stability claws help maintain quick cuts and fast footwork during extreme lateral movements and changes in direction; ADIWEAR 6 outsole offers the ultimate in high-wear durability