Men's Nike Zonal Cooling Relay Running Top BREATHABLE ALLOVER TO RUN WHEREVER. Run your best with the essential comfort of Men's Nike Zonal Cooling Relay Running Top. Its zoned cooling increases airflow where you heat up most so you can move along your route in comfortable coverage. Nike Zonal Cooling incorporates areas of greater ventilation for enhanced cooling. Engineered mesh provides zoned breathability. Reflective details enhance visibility in low-light conditions. Back neck tape provides durability. Reflective details help enhance visibility in low-light conditions. Flatlock seams move smoothly against your skin.