Finish first and in style with the Saucony Endorphin LD 4 track spike. Designed for long-distance races, this spike features a four-spike Pebax® plate for long-lasting reliable traction. SSL EVA midsole cushions your step and increases rebound so you can perform at your best. FlexFilm upper with lightweight mesh for a breathable, seamless fit. Includes 1/4" pyramid spikes and a wrench. Wt. 2.4 oz.