The support and speed you need to finish first. This lightweight, versatile track spike has a single-layer mesh upper and midfoot overlays that support the foot and promise an exceptional fit. Compression-molded Phylon™ midsole provides enough responsive cushioning to ensure a smooth run. The 3/4-length rubber outsole and six-spiked Pebax® plate promise reliable traction. Includes 1/4" pyramid spikes and a wrench. Wt. 4.6 oz.