This Van Heusen Sport Anti Bacterial thermal long john is luxurious, lightweight and super soft. The fabric has been specially brushed to keep the heat in. Designed for a snug fit, the soft fabric covered waistband has ribbed cuffs and hem which ensures superior fit and all day comfort. Label Free Comfort.1.Warmtech: The Warmtech feature enhances the heat-retention element and keeps you extra comfortable. It keeps you upto 2X warm for longer hours. The fabric feels ultra soft against the skin. 2.Anti Bacterial: Designed with Van Heusen's Anti-Bacterial technology, our thermal keeps you cool, dry and comfortable to enhance your comfort quotient for everyday use, while making the thermal look new for long. 3.Wicking: The fabric has moisture wicking property which draws perspiration from the skin while keeping the body cool, dry and comfortable.