Flame-resistant hard hat liners that deliver superior protection and comfort and made with premium FR-Tech® fabric for durability, softness, and breathability. Featuring a moisture barrier, inherently FR-threaded seams, and weather-blocking performance, it ensures warmth and safety while working in potentially hazardous environments. - Premium FR-Tech® fabric combines the comfort and breathability of cotton with the durability of nylon for unsurpassed performance even during extended use - Soft, flexible modacrylic-viscose blend with moisture barrier ensures lasting thermal protection and all-day comfort - Blocks rain, snow, and moisture for superior warmth, dryness, and comfort in any condition - Every seam is sewn with inherently flame-resistant thread, delivering lasting protection and uncompromised durability when it matters most - Ideal for work in potentially hazardous environments including electrical substations, switchgear rooms, and high-voltage maintenance work