Designed and tested with the world's fastest 100-400 meter track athletes, the Nike Zoom Powercat is a technical sprint spike for the sprinter looking for the most support under the foot in a minimal and light package. Minimal, light and uniquely crafted synthetic upper is perforated for breathability. Low-profile Phylon™ midsole wedge. Aggressive and rigid spike plate with eight receptacles and risers. Wt. 6.6 oz.