REVOLUTIONARY ADAPTECH™ Our patent-pending, fully integrated system offers responsiveness unlike anything you've ever felt before. AdaptKnit™ upper offers supreme stretch and breathability with recycled fibers. AdaptSol™ cushion uses independently floating cushion pods that allow greater control and proprioception. AdaptSol™ tread grips the ground with dual-injection natural rubber, and flexes with the natural contours of your foot for unbeatable traction and mobility on any surface.