Surface: Road. Differential: N/A. WaveSpring? Technology? Unique design integrates lightweight, stainless steel springs, one in the heel and two in the forefoot.? Springs provide both shock-absorbing cushioning and return of up to 96% of energy? Mechanical cushioning is designed to reduce stress on joints.? Designed to last for the lifetime of the shoes. Breathable, air mesh upper. Traditional lace-up closure. Semi-curved running last for supportive, comfortable
Combing a wide heel platform and a medial post to assist in proper alignment, the Spira? Scorpius II running shoes are an over-pronator’s dream!
Support Type: Overpronation/Stability.
Cushioning: High energizing cushioning.