
Oregon Aero® Zeta III® Helmet Liner
Aerospace Products For Down to Earth Comfort®
The Oregon Aero Zeta III Helmet Liner is designed to replace
the liner between your head and the styrene crush liner in your
ight helmet. The Zeta III carries perspiration away from your
head, keeping it cooler and drier. The liner molds to your head
each time it is put on, preventing pressure points and creating
a more stable t.
Installation Instructions
1. Remove the existing liner from your helmet.
2. Grasp the liner in the middle with the label side out and
place it into the helmet with the front of the Zeta III Helmet
Liner toward the front of the helmet. See Photos.
3. Make sure the liner is centered in the helmet and press it
to the hook-and-loop fastener strips at the front. The front
edge of the liner should cover the styrene liner.
4. Press the Zeta III Helmet Liner into the helmet and then
attach the liner to the hook fastener on the nape ap.
Oregon Aero, Inc.
34020 Skyway Drive, Scappoose OR 97056
www.oregonaero.com
customerservice@oregonaero.com
Phone: 800-888-6910
503-543-7399
Fax: 503-543-4820
Made in the U.S.A.

Oregon Aero® Zeta III® Helmet Liner
Cleaning Instructions
Hand wash with a solution of mild soap and water. Rinse
thoroughly. To dry, place the Zeta III at on a large towel
and fold the towel over to cover. Use a rolling pin or similar
object to squeeze out the excess water. DO NOT WRING.
Re-shape and air dry in a warm place or in front of a fan. DO
NOT USE ANY ARTIFICIAL HEAT SOURCE TO DRY. Your
Zeta III helmet liner should dry overnight unless conditions are
particularly humid.
WARNING: Wringing the helmet liner or using an articial heat
source to dry will damage the product. Only use recommended
methods of care.
Satisfaction Guarantee
If you are not satised with your Oregon Aero product for any reason, you have 30
calendar days to return the product from the date you purchased it for a full refund
or exchange. To be eligible, product must be in good condition and include the
receipt.
Limited Warranty
This product is backed by a limited warranty against defects in manufacture for a
period of one year from the date of purchase. In the event we receive the return of
this product within the warranty period, and we agree that the product is defective,
our sole obligation shall be to replace the product at no charge. We disclaim all other
express or implied warranties, including any implied warranty of merchantability
or tness for a particular use. Some states do not permit the limitation of implied
warranties, so this information may not apply to you.
Zeta III® is a registered trademark of Oregon Aero, Inc. PKG-IN-046 Rev. 02182019
Oregon Aero, Inc.
34020 Skyway Drive, Scappoose OR 97056
www.oregonaero.com
customerservice@oregonaero.com
Phone: 800-888-6910
503-543-7399
Fax: 503-543-4820
Made in the U.S.A.