Enhance Your 1st Step Nike React technology paired with parabolic Air Zoom Strobel cushioning stacked with a Zoom Air unit in the heel helps provide the responsiveness you need to create space and opportunity off the dribble. The React insole provides support and comfort. A soft foam midsole offers comfort and a stable underfoot experience. Quick-Twitch Takeoff The upper is inspired by a butterfly with an inner cage that’s built into the lining underneath.