ODLO’s CERAMIWARM ELEMENT Half-Zip Long-Sleeve Midlayer Top for men delivers the ultimate combination of warmth and breathability for pursuing personal running bests in colder weather. The Ceramiwarm technology uses heat reflective particles inserted into the yarn to enhance the fabric's warming properties, while the half zip allows for additional ventilation when you need it, and integrated ZeroScent tech prevents odorous bacteria from penetrating the fabric as you work up a sweat. Featuring reflective details to help keep you visible in lower light, the CERAMIWARM ELEMENT Half-Zip Long-Sleeve Top is a layering essential for running harder and longer in wintry conditions.