In the game's crucial moments, KD thrives. He makes defenders fear his unstoppable moves and shuts down opponents with his defensive prowess. The KD13 helps him play at an elite level with full-length Nike Air Zoom cushioning. An extra forefoot Zoom Air unit provides amazing energy return for every move—all game long. Full-Length, Close-to-Foot Cushioning A full-length Nike Air Zoom cushion is stitched directly to the upper. It follows the shape of your foot to give an ultra-responsive sensation and a smooth heel-to-toe transition. Double-Stacked Zoom Air A second Zoom Air unit is stacked underneath the full-length Nike Air Zoom cushion in the forefoot. It helps enable movements and energy return.