PURE WARMTHWith unsurpassed comfort, the Terramar Women's 2.0 Cloud Nine Printed Scoop is the ultimate midweight base layer. With relaxed fitting spandex construction, coupled with soft, brushed polyester, this will be your new favorite base layer shirt. Great for travel, exercise, and layering in cold weather. FEATURES360-degree stretch jersey and mesh fabric, of 86% micro polyester, 14% spandexClimaSense (CS) treatment is designed to respond to your body's changing conditions to keep you comfortable no matter what your activity levelThe CS system adapts to the skin's surface temperature, providing a warming effect when you are cold and a cooling effect when you are active, with a dynamic moisture transport systemClimaSense offers advanced odor control and uses bluesign approved, performance based technologiesAntimicrobial finish for odor controlBrushed surface creates additional air space, trapping warmth