The Zoom Victory XC is the lightest middle-distance spike ever made by Nike. High-strength Flywire technology works to minimize overlays and maximize the strength and durability of the spike. Compression-molded Flashion foam midsole offers a lightweight, responsive foot strike. Zoom Miler plate design provides added comfort and traction on the track. Improved TPU Sharkskin outsole delivers grip on any surface. Includes 3/8" pyramid spikes and a wrench. Wt. 5.2 oz.