Outrun the competition with the Nike Zoom Celar 5 track spike. Featuring Flywire technology that wraps over the foot, this Nike sprint spike provides a secure fit to unleash your speed. Lightweight, breathable upper keeps your feet light, cool, and dry. Phylon™ midsole offers a low-to-the-ground design for an excellent foot-to-track feel and reduces impact for a comfortable run. The 3/4-length, 5-spike Pebax® plate provides power, speed, and traction. Includes 7mm X-Mas spikes and a wrench. Wt. 6.0 oz.