adidas Adipower Barricade Mens Tennis Shoes Synthetic Worn by 2013 Wimbledon Champion Andy Murray, the Adidas Adipower Barricade tennis shoe is the lightest Barricade to date! Durable synthetic upper for comfort and stability, with adiTUFF layers on common wear areas for durability, and a breathable mesh tongue for ventilation AdiPRENE+ insert in the forefoot maintains propulsion and efficiency whilst adiPRENE under the heel ensures superior cushioning at impact Extended TORSION SYSTEM allows for midfoot integrity and independent movement between the rear and forefoot Stability claws offer support during quick cuts and changes in direction