Get to the finish line faster in the incredible fit of Saucony Kilkenny XC5 Spike running shoes. The lightest version in the line features a one-piece upper that offers superior responsiveness and support for cross-country races. Ideal for beginners to elite runners. Upper: FlexFilm no-sew overlays enhance fit without adding weight. Lightweight mesh offers breathability and flexibility. Flat laces reduce irritation and pressure points. Padded heel collar enhances comfort. Midsole: SSL EVA offers lightweight responsive performance. Outsole: 4-spike plate configuration provides the best possible propulsion. XT-600 carbon rubber outsole material delivers outstanding abrasion and traction properties. Comes with 8 spikes and wrench.