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Therm-a-Rest
MondoKing 3D Sleeping Pad

4.25 out of 5 stars
4 Reviews
$249.95 - $284.95
Color:Lyons Blue

Size:

Quantity


Why We Like The Therm-a-Rest MondoKing 3D Sleeping Pad

When car camping, there's no reason to sacrifice comfort, so we giddily throw the Therm-a-Rest MondoKing 3D Sleeping Pad in the boot. Over four inches of loft and a wide rectangular shape with vertical sidewalls give us the comfort of home, while the 7 R-value ensures we feel cozy whether it's a balmy summer night or a teeth-chattering winter morning. The built-in pump sack saves our breath when setting up, and the separate deflation valve simplifies breakdown. And although it's a bit much for backpacking, it can still roll up and pack away to keep plenty of space available in the car for all our other extras.


Details

  • Ultra-comfortable sleeping pad for your car camping adventures
  • 3D StrataCore construction is lofty and compressible
  • Knit surface fabric is soft, quiet, and breathable
  • Internal foam core delivers all-season comfort
  • Vertical sidewalls increase your sleeping surface area
  • TwinLock valve accelerates inflation and deflation times
  • Built-in pump sack provides a quick-and-easy setup
  • Included stuff sack for convenient, compact storage
  • Item #TAEA07P
Material
50D polyester knit, 75D polyester, polyurethane, urethane foam
Style
self-inflating
Shape
rectangular
Thickness
4.25in
R-Value
7
Pump
built-in pump sack
Stuff Sack
included
Packed Size
[large] 10.3 x 26in, [xx-large] 10.3 x 31in
Dimensions
[large] 77 x 25 x 4.25in, [xx-large] 80 x 30 x 4.25in
Claimed Weight
[large] 4lb 6oz, [xx-large] 5lb 8oz
Activity
camping
Manufacturer Warranty
limited lifetime

What do you think about this product?

Overall Rating

4.5 based on 4 ratings

Review Summary

1 Stars - 0 reviews
2 Stars - 0 reviews
3 Stars - 1 reviews
4 Stars - 1 reviews
5 Stars - 2 reviews

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5 out of 5 stars

March 26, 2025

Mondo king = Beyond comfy

If you are in search of an air mattress that puts your at home bed to shame, look no further. This is the gold standard of glamping mattresses.

Tyson I.
a Cascade Designs brand site

Originally reviewed on a Cascade Designs brand site

3 out of 5 stars

November 7, 2024

Leaky Valves? No One to Talk To.

These Mondo Kings seem to lose a bit of air, over a few nights, unlike our previous but thinner Therm-A-Rest pads, that we'd been sleeping on for the past six months. Those took weeks before they needed the inflation tweaked. We don't know if these new Mondo Kong valves are faulty, or this is normal for this to happen with them, and I really dislike the fact you can't just call up Cascade and talk with someone about it. So we don't know whether they're defective, or this is normal or not. We use these pads as our everyday mattresses, side by side on our queen bed platform, because having individual pads enables us to adjust the firmness to our different needs. I don't think we're stressing the pads- she weighs 107 lbs, I weigh 129. It would be nice to be able to actually talk with someone about what may or may not be going on with these new Mondo Kings, but Cascade doesn't want you to actually talk with another human being. It may be a cheaper system for them, but it diminishes any allegiance and trust we'd been feeling for Therm-a-Rest, based out our previous great experience with our prior pads.

Peter T.
a Cascade Designs brand site

Originally reviewed on a Cascade Designs brand site

5 out of 5 stars

November 7, 2024

Comfy

This is way more comfortable than your average camping mat. My only regret is not getting the wider width. It is plenty wide enough for one person, but I roll around a lot. Once you find out just how much air to put in for your personal preference, it’s perfect. The storage bag that also inflates the mattress is so handy.

Samantha C.
a Cascade Designs brand site

Originally reviewed on a Cascade Designs brand site

4 out of 5 stars

August 9, 2024

The Cadillac of sleeping pads

A bit big and bulky, but it's great for summers when my husband and son sleep in a tent in the backyard. We've yet to take it camping but so far they are more comfortable than the air mattress we were using.

Michelle C.
a Cascade Designs brand site

Originally reviewed on a Cascade Designs brand site

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