Smoothest Stability. An everyday icon reimagined, giving you an unbelievably quick and stable ride. Innovative WAVEKNIT upper construction provides both stretch and support for dynamic, natural movement. Impact-absorbing midsole and SmoothRide Support Wave Fan Shaped Wave technology bring an ideal balance of cushion and lightness to every step, along with smoother transitions. Take your daily runs to the next level with the ultimate in performance and comfort.