Originally developed for NASA, Outlast technology uses phase-change materials to absorb, store, and release heat, maintaining optimal thermal comfort. Similar to ice in a drink, it manages heat by micro-encapsulating materials that regulate skin temperature continuously. Unlike traditional materials that react to sweat, Outlast actively manages heat and moisture, reducing hot spots and discomfort. Paired with David Clark DC ONE-X or DC PRO Series aviation headsets, it keeps you comfortably cool during long flights in your own climate-controlled zone.