That engineering—from the actual metal spikes right up through the footbed and into the upper—takes on a different approach across the track and ... two chambered Nike Air Zoom units (same ...

Nike has two main designs in the middle and longer-distance races; the Victory 2, which includes a Zoom Air bubble in ... we ...

Running spikes are mainly used for racing on the track and cross-country races ... for increased stiffness and energy return, ...