Nike Zoom Rival XC - Women'sConquer the wildest terrain with the Nike Zoom Rival XC running shoe. Offering a solid four-spiked plate and targeted flex grooves, the waffle outsole promises reliable traction on dirt and grass. Compression-molded Flashlon midsole cushions your step and returns energy for a smooth and efficient running performance. Molded medial arch adds midfoot support. Thin mesh upper enhances breathability and protects feet from the elements. The spike includes 7mm spikes and a wrench. Wt. 5.4 oz.