The Chill-Its 6493FR Cooling Neck Gaiter offers cooling relief and flame-resistant protection for the head, face and neck. Classified CAT 1 according to NFPA 70E, the flame-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 two hours, simply activate the neck gaiter's modacrylic fibers with water. When worn dry, the soft, stretchy material also provides a