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EvoLite

Self-inflating convenience meets air mattress comfort to create the perfect hybrid in camp mattress technology.

Air mattress fans rave about ultralight compactness, while self-inflating mattress fans hold fast to stable comfort and convenience. Well, what if you could have both?Enter the EvoLite mattress. Its patent-pending AirFrame construction combines the ultralight, high-loft comfort and compactness of an air mattress, with the convenience and stabilized comfort and support of self-inflation, creating the best of both worlds in camp comfort innovation. 2-inches (5 cm) of loft deliver bump-swallowing comfort while the foam beams add stability, support and excellent self-inflation performance, leaving just a few breaths to top it to your desired firmness. And of course, it’s ultralight and compact enough to keep you moving easily through the backcountry. Stuff sack included.

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The Benefits of AirFrame Mattress Construction

Air mattress fans rave about ultralight compactness, while self-inflating mattress fans hold fast to stable comfort and convenience. Well, what if you could have both?Enter the EvoLite mattress. Its patent-pending AirFrame construction combines the ultralight, high-loft comfort and compactness of an air mattress, with the convenience and stabilized comfort and support of self-inflation, creating the best of both worlds in camp comfort innovation. 2-inches (5 cm) of loft deliver bump-swallowing comfort while the foam beams add stability, support and excellent self-inflation performance, leaving just a few breaths to top it to your desired firmness. And of course, it’s ultralight and compact enough to keep you moving easily through the backcountry. Stuff sack included.
  • 2” of Loft and Comfort: No other ultralight self-inflating mattress provides this amount of comfort.
  • Ultralight, AirFrame Construction: Alternating foam and air channels allow us to drastically reduce weight and packed size while amplifying loft.
  • Supportive Foam: Our U.S. sourced foam is the lightest and most compressible foam on the market.
  • Self-Inflating Convenience: Excellent self-inflation allows just a few breaths to top off the mattress for optimal firmness.
USA*Built of the Finest U.S. and Global Materials
S Regular L
Color Pumpkin Pumpkin Pumpkin
R-Value 2.1 2.1 2.1
Weight (Standard) 12oz 1 lbs 2 oz 1 lbs 9 oz
Weight (Metric) 0.35 kg 0.52 kg 0.7 kg
Width (Standard) 20 in 20 in 25 in
Width (Metric) 51 cm 51 cm 63 cm
Length (Standard) 47 in 72 in 77 in
Length (Metric) 119 cm 183 cm 196 cm
Thickness (Standard) 2 in 2 in 2 in
Thickness (Metric) 5 cm 5 cm 5 cm
Packed dimension (Standard) 7.75 x 4.0 7.75 x 4.9 9.5 x 5.5
Packed dimension (Metric) 20 x 10 20 x 13 24 x 14
Top fabric type 30D mini rip polyester 30D mini rip polyester 30D mini rip polyester
Bottom fabric type 30D mini rip polyester 30D mini rip polyester 30D mini rip polyester
Foam type Urethane Foam Urethane Foam Urethane Foam
Country of Origin USA*Built of the Finest U.S. and Global Materials USA*Built of the Finest U.S. and Global Materials USA*Built of the Finest U.S. and Global Materials

Documents and Instructions

Click here to download the Universal Therm-a-Rest Mattress Repair Instructions, including how to locate leaks and make repairs in the field or at home on any mattress model.

If you have further questions about repair or warranty, or would like to send your mattress to us for repair. In the U.S., please contact our Customer Service department at 1-800-531-9531. For worldwide service and repair contact information, please click here.

Should you find yourself without access to Therm-a-Rest Repair Kits, repairs can also be made using items commonly found at most outdoor gear shops. (Remember that for maximum effectiveness, ALL of the below repairs should begin with a clean and dry mattress. An alcohol swab is an ideal cleaner that dries fast.)

  • Small leaks not requiring a patch: A urethane-based glue should be used. Some popular brands are SeamGrip® and AquaSeal. Apply a small dab, large enough to completely seal the hole, and allow 24 hours for drying. If your mattress fabric is relatively smooth like the NeoAir or Trail mattresses, peel-and-stick bicycle tube patch kits are an option offering instant repair.
  • Larger holes and tears: All mattresses can be repaired with a self-adhesive fabric patch—like those used to repair jackets and tents. These are commonly found in outdoor gear shops. Cut the patch in a circle to generously cover the hole. Apply a small amount of urethane-based glue to the back of the patch and the area to be covered on the mattress. Apply patch and press firmly. Wipe away excess glue from edges and allow 24 hours to dry.

If you’re not comfortable making the repair yourself and have some time before your next trip, call our service department at 1-800-531-9531 for instructions on sending your mattress back for repair.

Video: Repair Your Therm-a-Rest Mattress

Yes. A Therm-a-Rest Valve Replacement Kit will replace all metal and plastic mattress valves. Instructions for the kit can be found here.

Repair Your Therm-a-Rest Mattress
Repair Your Therm-a-Rest Mattress

Roll the mattress up to force the water out of the open valve. If there is a lot of water, you may have to do this several times. Hang the mattress upside down with the valve open in a warm, dry place. It will take about three days for the mattress to dry out.

Regular cleaning will extend the life of your mattress, especially if you sleep in direct contact with its surface.

Do not put your mattress in the washing machine. Cleaning with a hose or in a bathtub is best. Do not forget to close the valve while washing. For general cleaning, a quick scrubbing with Formula 409®, BioClean All-Purpose Cleaner, or other general household cleaner is best.

Therm-a-Rest mattress care
Therm-a-Rest mattress care

For tree sap, spot clean with a cotton rag soaked in rubbing alcohol. This will take some work and sap will likely leave a stain. However, a dusting with talc or baby powder when you are done should eliminate any residual stickiness.

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mp26
January 11, 2017
No, I would not recommend this to a friend
Was loving it until it starts making bubble...
I love my Therm-a-rest mattress however my evolite started unsealing and produced a huge bubble at the head end so I cannot sleep normally on it anymore.. In the middle of the night I would hear th seal unglue and bubble popping. (sorry for my English it's not my first language). I am in Canada and I cannot exchange it... What can I do?
jackie27
November 1, 2016
Yes, I would recommend this to a friend
support the back
my sister bought this pad so supportive for her back -I used once at her house
AY86
November 1, 2016
Yes, I would recommend this to a friend
Light, comfortable and durable so far
From other reviews three earlier iterations had QC issues but my regular sized evolite has held up fantastically to use and abuse since I purchased it in mid August. Great purchase and made in the USA!