Breathable and supportive, the Nike Zoom D is built to go the distance. Breathable mesh upper with no-sew overlays for added midfoot support. Lightweight Cushlon foam responsive cushioning. Split-plate outsole design is decoupled down the forefoot for a smooth running stride. Five-pin Pebax® plate for extreme traction. Includes 1/4" pyramid spikes and a wrench. Wt. 4.6 oz.