The Chill-Its 6493FR Cooling Neck Gaiter offers cooling relief and fire-resistant protection for the head, face and neck. With an ATPV rating of 5.8 cal/sq. cm classified CAT 1 according to NFPA 70E, the fire-resistant fabric will not melt or drip and is designed for environments involving electric arc flash exposure. HOW TO ACTIVATE For an instant cooling effect that lasts up to 2 hours, simply activate the neck gaiter's modacrylic fibers with water. When worn dry, the soft, stretchy material also provides a moisture-wicking and absorbent cooling effect, drawing sweat away and helping to regulate body temperature. Whether used as a fire-resistant headband, face mask, neckerchief or 1 of the many other ways to wear, this versatile 1 -size-fits-most solution is ideal PPE for petrochemical, electrical, oil and gas and refinery work. Machine washable for easy-to-clean convenience. Color: Blue.