adidas - a Decade (Black/Running White/Metallic Silver) - Men's: Original old-school flavor taken to the next level with a new innovative midsole providing optimal cushioning and propulsion with every step you take on the court. Full grain leather upper for comfort and soft feel. Synthetic leather trims improve upper durability. Perforated upper material for superior breathability. Synthetic lining. PU insole for durable comfort. Heel a for optimized energy use throughout footstrike. adiPRENE(R) plus insert for forefoot propulsion and efficiency. Non-marking rubber outsole. Herringbone pattern for optimum traction.