Details: Wreak havoc for the competition every time you step on the track in these high-speed spikes. Breathable synthetic mesh upper with no-sew FLEXFILM overlays for lightweight support. Seamless sock layer for a more comfortable fit. Saucony Super Light EVA midsole for fast, responsive cushioning. XT600 carbon rubber outsole for durable traction. Six-pin Pebax spike plate grips the track and propels you forward. Includes 1/4" pyramid spikes and wrench. Wt. 5.5 oz.