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Internet # 320062834

Model # 6876

Store SKU # 1007997052

N-Ferno 6876 FR Winter Hard Hat Liner Plus FR Mouthpiece Kit - 2-Layer (Kit)

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  • Fire-resistant outer shell and lining
  • 60% modacrylic cotton and 40% cotton twill blend
  • Versatile protection in extreme work environments
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Product Details

About This Product

The N-Ferno 6876 Two Layer FR Winter Hard Hat Liner w/ Mouthpiece Kit includes a winter hard hat liner with 2 layers of insulation and FR technology to meet ASTM F1506 and also a thermal mouthpiece attachment for full face coverage. The lightweight thermal liner is shoulder length to keep head, ears and neck covered and fits comfortably under helmets or hard hats without feeling too bulky. Both the N-Ferno 6882 FR Hard Hat Thermal Liner and N-Ferno 6872 FR Thermal Mouthpiece have a fire resistant outer shell and lining made of 60% modacrylic cotton and 40% cotton twill blend to stand up to tough environments and meets requirements of performance specification ASTM F1506; classified CAT2 according to NFPA 70E. ARC rated; ATPV rating of 20 cal/sq.cm. There are four hook & loop straps on the exterior of the liner designed to securely attach to the interior of a hard hat for versatile protection in extreme work environments.


  • Kit includes: N-Ferno 6882 modacrylic/cotton FR winter hard hat liner and N-Ferno 6872 thermal modacrylic/cotton FR mouthpiece
  • Flame Resistant: Meets requirements of performance specification ASTM F1506; classified CAT2 according to NFPA 70E. ARC rated; ATPV rating of 20 cal/sq.cm
  • Fits comfortably under a helmet or hard hat without feeling too bulky
  • Shoulder Length Design: Keeps head, ears and neck warm and covered
  • Hook & Loop Straps: Four evenly spaced straps included on the outside of the liner to attach to hard hat or helmet suspension
  • Return Policy

Product Information

Internet # 320062834

Model # 6876

Store SKU # 1007997052

Additional Resources

Shop All Ergodyne



Clothing Product Type

Face Masks




Men's, Women's

Hardware Color Family


Hat Size

One Size Fits Most

Headwear Type

Adjustable Hats





Safety Features

Adjustable Neck Strap, Flame Resistant, Machine Washable


One Size Fits Most

Workwear Features

Adjustable, Machine Washable

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Customer Reviews

5 out of 5

  • 5 out of 2 reviews
  • 100% recommend this product
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Showing 1-2 of 2 reviews
Exceptional warmth
[This review was collected as part of a promotion.] I will have no issues working outdoors this winter with the 6876 Hard Hat Liner and mouthpiece. During my first use I was very impressed by the warmth and the fact that my glasses didn't fog up. Thanks Ergodyne
    • Recommended
    [This review was collected as part of a promotion.] Any complaint that I would have with this product is really no fault of the product itself. I have a large head, and when using the liner in colder weather, I keep the harness of my hardhat opened as far as it will go. Even so, that leaves not quite enough room for my head AND the liner to fit perfectly. If I wear it for long periods without a break, it can start to make my head hurt a little. If the harness opened just one more click, this would not be a problem. The FR rating was a big attraction for me. Working in a steel mill, there are strict requirements for our FR clothing and PPE. This one hadn't been vetted by our Melt Shop management, so I didn't get to wear it on the hot floor as much as I had hoped to during its testing period, but I managed to sneak it in a little. I believe it would perform very well over time in such an environment.My favorite thing about this liner is the fact that I can get full-face coverage without shoving my beard into a head sock or balaclava. I tend to look like Robin Williams in Jumanji after pulling one of those off of my head. This liner, however, fastens under my beard, and the removable mouth cover velcros right on top. I cannot tell you how happy this makes me. I like it so much, I bring it home with me to wear it while I'm working at my own shop.The materials and construction are excellent, the flame orange makes it much harder to misplace than my natural or all black gear, and it's comfortable (aside from my enormous noggin). Compared to the other hardhat liners I've used at the mill, this thing is a Cadillac.
      Showing 1-2 of 2 reviews