Enerzy foam in the heel of the Mizuno Wave Inspire 17 Waveknit breathes new life into the beloved stability runners. Enerzy foam beneath the heel provides superior cushioning and energy return. This combines with the new double fan WavePlate to deliver a more comfortable, cushioned running experience. The wave remains inspiration for the Waveknit upper, it's unique stretch and hold benefits deliverable a highly wearable dynamic fit for lasting comfort. The Wave Inspire 17 is finished with the new outsole design, that delivers smoother transitions from your heel strike to toe of for a faster, funner run that doesn't sacrifice stability.