Carhartt Knit Insulated Face Mask CT104485Keep your face warm on those brutally cold days when the work still needs to get done., 100% acrylic, stretchable, rib knit fabric, 3M Thinsulate Flex 40-gram insulation for warmth, Overlock stitching around eye opening, Extra-long neck enhances cold-weather protection, Carhartt label sewn on neck