Regular FR Knitted Tube Liner

100% Polyester - Navy, red or hi-viz orange. Fits snugly over hard hat. Blocks wind tunneling inside the crown. Traps warmth to keep head and ears warm. Folds up on the outside of the hardhat, when not needed during breaks. Does not have Thermotex ear barriers, reflective strip, gap eliminator, or warming pack pockets. Flame resistant.