Lightweight design and extreme traction propel this shoe across the finish helping you set a new PR. Best for 100-1500m hurdles and jumping events. Breathable single-layer mesh upper features Flywire cables to keep your foot locked in place. Phylon foam in the heel for responsive cushioning. Pebax spike plate extends under the arch for support. Includes 1/4 pyramid spikes and a wrench. Wt. 6.9 oz.