Yellowstone
Yellowstone Eva Camping Mat With Foil - Blue
Currently unavailable on Amazon UK
6.75 poundsPrice checked 1 Nov 2026View on Amazon UK(opens in a new tab)
Camping · Explainer
Camping Mats: What Specs Really Mean
Learn how R-Value, thickness and packability trade off against each other on a camping mat.
Published · 2 min read
When choosing a camping mat, it's easy to be overwhelmed by the technical specifications. Understanding what these figures actually describe — rather than treating a bigger number as automatically better — helps you pick a mat that suits your own trips.
R-Value and Insulation
R-Value is a measure of thermal resistance: how well the mat resists heat escaping into the ground beneath you. A higher R-Value means more insulation, which generally also means a heavier or bulkier mat — insulation comes from trapped air or added material, and both add weight.
Thickness and Comfort
Thickness affects comfort by determining how much you sink in before feeling the ground beneath — useful for side sleepers or anyone camping on stony ground — but a thicker mat is generally heavier and packs down larger, which matters more the further you have to carry it.
The camping mats we currently track on Amazon UK, ordered by verified customer rating. They are here so you can read a real listing against the explanation above — we have not tested them, and the ratings shown are Amazon's.
19.99 poundsPrice checked 1 Nov 2026View on Amazon UK(opens in a new tab)
21.99 poundsPrice checked 1 Nov 2026View on Amazon UK(opens in a new tab)
Currently unavailable on Amazon UK
14.18 poundsPrice checked 1 Nov 2026View on Amazon UK(opens in a new tab)
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Frequently asked questions
Does a higher R-Value always mean better insulation?
A higher R-Value does mean more thermal resistance, but the material and cell structure also affect how the insulation actually performs in practice, so two mats with the same R-Value can still feel different.
Why might two mats with the same thickness feel different?
Different materials or internal structures — foam versus air cells, for instance — can affect firmness and comfort even when the overall thickness is the same.
How important is packability for a camping mat?
It matters most if you're carrying the mat any distance, such as backpacking, since a mat that compresses smaller and lighter leaves more room and less weight for everything else. For car camping, packed size matters far less.
Who wrote this
The TrailHaven editorial team. We research and write these explainers from published standards, manufacturer specifications and verified customer feedback on Amazon UK — not from hands-on testing, which we do not claim to have done. Where a figure comes from a test standard we name the standard; where it is a rule of thumb, we say so. Corrections are welcome via the contact page.