Carhartt FRA003 Flame Resistant Double Layer Work Dry Balaclava. FR heavyweight, 2 ply, 5.5 ounce knit: 48% modacrylic, 48% Tencel and 4% spandex. Moisture wicking, fast drying technology with anti order control. Full facial protection extends below the neckline. Face mask pulls down below the chin when not needed. Flat seam, 2 ply construction enhances comfort and warmth. Carhartt FR label sewn on back. Meets NFPA 70E standards. Flame resistant fabric by Innovative Textiles,Inc. HRC 2 ATPV 15.0