NIKE Mens Zoom Cage 2 Tennis Shoes synthetic-and-mesh Nike Zoom Air unit in the heel offers responsive, lightweight cushioning to help you quickly return serve. The durable Nike Drag-On Cage technology places extra-tough material around the areas that need it most to support your slide on the court without sacrificing breathability. A herringbone outsole delivers excellent traction and durability on hard court surfaces to help you stay focused on your game. Midsole heel wrap-up, split down the middle for added support and agility 6mm outsole in high-wear areas helps guard against scuffs and tear