The Occunomix FR Thinsulate Hard Hat Liner - LN630 is made of 100% cotton twill top with an FR treatment that is good until garment is washed.
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Hard Hat Liner MAR-MAC Industries, Inc.
100% Cotten Twill Flame Retardant Until Washed Insulated With Thinsulate Three Loop Straps With Velcro Closure Fits any Hard Hat or Cap
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