The Saucony Havok XC provides competitive cross country runners superior durability and traction for even the most aggressive courses.A seamless upper and sock layer allow for comfort during the run. Vibrant colors and bold design help bring out your wild side. Upper: FlexFilm no-sew overlays enhance fit without adding weight. Seamless sock layer allows for wearing without socks if desired. Flat laces reduce irritation and pressure points. Midsole: SSL EVA offers lightweight responsive performance. Outsole: 6-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.