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NeoAir® All Season

The ultimate solution to year-round backcountry comfort, with a FREE NeoAir® Mini-Pump!

Lightweight, durable and extremely warm, the NeoAir All Season mattress is the ultimate solution to year-round backcountry comfort. Patent-pending Triangular Core Matrix technology creates over 100 insulating cells and multiple ThermaCapture layers capture radiant heat, resulting in an incredibly high R-value without the weight or bulk of conventional insulation. Durable fabrics and construction give the All Season mattress the strength to stand up to rugged conditions throughout the year, and the ultralight 2.3 oz. Mini Pump – a $40 value – will have you enjoying NeoAir comfort in mere minutes. Stuffsack, NeoAir Mini Pump and repair kit included. Mini Pump batteries (2 AAA) not included.

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Inflating Your Therm-a-Rest® NeoAir Mattress

M Regular L
Color Lilypad Lilypad Lilypad
R-Value 4.9 4.9 4.9
Weight (Standard) 1 lbs 2 oz 1 lbs 3 oz 1 lbs 9 oz
Weight (Metric) 0.51 kg 0.54 kg 0.71 kg
Width (Standard) 20 in 20 in 25 in
Width (Metric) 51 cm 51 cm 63 cm
Length (Standard) 66 in 72 in 77 in
Length (Metric) 168 cm 183 cm 196 cm
Thickness (Standard) 2.5 in 2.5 in 2.5 in
Thickness (Metric) 6.3 cm 6.3 cm 6.3 cm
Packed dimension (Standard) 9 x 4.75 9 x 4.75 11 x 4.8
Packed dimension (Metric) 22 x 12 22 x 12 28 x 12
Top fabric type 75d Polyester Diamond Ripstop 75d Polyester Diamond Ripstop 75d Polyester Diamond Ripstop
Bottom fabric type 70d Nylon 70d Nylon 70d Nylon
Core Nylon Nylon Nylon
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
Volume (Standard) 3465 cu. in 3780 cu. in 4813 cu. in

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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adeaem
November 14, 2016
Yes, I would recommend this to a friend
NeoAir great fit even for a fractured spine!
NeoAir kept me comfy and warm while I cycled across NewFoundland this summer! I was looking for a lightweight yet comfortable mat to support my back. I suffer from a pars fracture in my lower back and good rest and back support is essential for me, especially on longer trips in remote areas. NeoAir proved a great match. Ultra lightweight and small size after packing made it all the more appealing for a biking trip! Looking forward to next adventures, will not change this mat for a long time I think.
HeikiB
November 2, 2016
Yes, I would recommend this to a friend
Great for 4 seasons! Light, compact and very warm :)
Great for 4 seasons! Light, compact and very warm :)
BrianM
November 1, 2016
Yes, I would recommend this to a friend
Just what I needed!
Only used it once so far, but loved it. Plenty of support for a side-sleeper. Kept my hip off the ground. Temp was in the 40s and I had NO issues. Wish I hadn't waited so long to invest in a good Thermarest like the All Season!