With the all-new Impulse, lightweight and stability go hand in hand. It's our lightest stability shoe to date and combines Innerflex and StabiliPod technologies to give you flexible stability where you need it. The friction-free, lightweight upper and FootShape toe box keep your feet comfortable across long distance runs. The fully cushioned Zero Drop platform encourages a more natural, low-impact foot strike and features a lightweight, responsive A-Bound/EVA blend. Go fast, stay stable and run better with the new Impulse. Ideal Uses: Road Running, Walking, Light Trail Running, Cross Training, Speed Work. Designed to Improve: Improve Running Form, Assist Fallen Arches, Excessive Pronation.