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Zero-G Helmet Comfort Liner

Zero-G Helmet Comfort Liner

Pro Flight Gear Zero-G Helmet Comfort Liner

The Zero-G Helmet Comfort Liner is a drop in replacement liner to upgrade the pressure displacement and comfort of your existing flight helmet and enhance the overall fit. The suspension system (padding) is a rate and temperature sensitive material that conforms to the wearer’s unique head shape. These materials are covered in a heat and moisture wicking anti-microbial fabric.




Approved OEM Liner for Alpha Flight Helmets


Improved Protection

Independent and DoD testing have shown that the core material of these products deliver superior blunt impact performance over OEM product.


Improved Comfort

PFG Comfort Liner provides significantly improved comfort over similar products; even during extedned mission operations the liner provides instantaneous recovery and will not bottom out.


Improved Stability

Product provides increased stability, most notably when helmet is equipped with additional ancillary equipment such as night vision goggles.


Thermal Stability

The internal fabric of our helmet liner provides thermal regulating properties. When operating temperature is high, the liner will remain cooler. When temperature is cool, liner will help retain the heat in.



Liner is enhanced with permanent anti-odor and anti-microbial performance.


Modular Design

We have product that will fit any US and Foreign flight helmet built with superior tensile/tear strength.



Meets both FAA 14 CFR 23.853 and FMVSS 302 flammability requirements.

Helmet Upgrade Kit Installation | Zero-G Helmet Comfort Liner
Helmet Upgrade Kit Installation | Zero-G Helmet Comfort Liner
Helmet Upgrade Kit Installation | Zero-G Helmet Comfort Liner

Now Available

Zero-G Helmet Comfort Liner Alpha Clip-In

Now Available

Alpha Helmet Zero-G Clip-In Comfort Liner

Specifically designed for use on Alpha Flight Helmets. The liner easily clips onto your Alpha Helmet to improve the comfort and stability of the helmet.

Liner Sizing

Zero-G Helmet Comfort Liner | Bottom View

Alpha Liner product line:

  • P/N PFG-5-4013-2 PFG Comfort Liner 13” x 1/4”
  • P/N PFG-5-4013-3 PFG Comfort Liner 13” x 3/8”
    (standard size for Alpha Eagle)
  • P/N PFG-5-4013-4 PFG Comfort Liner 13” x 1/2”
  • P/N PFG-5-4013-5 PFG Comfort Liner 13” x 5/8”

SPH & HGU-56 Liner product line:

Regular Size Shell — 16″

  • P/N PFG-5-4016-2   PFG Comfort Liner 16″ x 1/4″
  • P/N PFG-5-4016-3   PFG Comfort Liner 16″ x 3/8″
  • P/N PFG-5-4016-5   PFG Comfort Liner 16″ x 5/8″

X-Large Size Shell — 17″

  • P/N PFG-5-4017-2   PFG Comfort Liner 17″ x 1/4″
  • P/N PFG-5-4017-3   PFG Comfort Liner 17″ x 3/8″
  • P/N PFG-5-4017-5   PFG Comfort Liner 17″ x 5/8″


Zero-G Helmet Comfort Liner

Contents of kit:

Each kit contains one Helmet Liner and self-adhesive Velcro hook discs.

$95.00 each plus shipping

Please contact us for any additional questions or product information. Thank you for your interest in Pro Flight Gear.

Ready to place an order?

If you are ready to place an order or have additional questions please contact us.