The Chill-Its 6662 FR Hard Hat Brim with Neck Shade attaches to hard hats and safety helmets to shade the face and neck for protection against both sun damage and fire hazards. Classified CAT 1 according to NFPA 70E, the flame-resistant fabric is designed for environments with electric arc flash exposure and won’t melt or drip when exposed to a flame. This full brim shade fits most hard hats and safety helmets, with an elastic rim plus hook & loop attachments for securing to the suspen