The SPIRA® Genesis X Stability Runner provides support for the mild to moderate pronator by incorporating a wide heel platform and a high density medial post. A firm mid-foot shank insures a smooth transition from heel strike to toe off. The patented WaveSpring® technology provides unequaled cushioning properties without compromising stability. The full strobel construction offers a lightweight and flexible solution to lasting. The dynamic fit system™ adjusts to the changing dynamics of the instep during the gait cycle.
To learn more about SPIRA® technology click on our WaveSpring® page.
SPIRA Shoes typically run 1/2 size smaller than regular street shoes.
Order your shoes 1/2 LARGER than you would regularly wear.