Sea To Summit Comfort Light Insulated Sleeping Mat

Size Guide
Size :

You get it all with our Comfort Light™ Insulated Mat: comfort, minimal weight, insulation and durability.

When we set out to design a mat that was better than what was already available, we ultimately went back to why we carry a sleeping mat into the wild in the first place — to give us a better night’s sleep. ‘Better’ is of course a very subjective ambition and while we could have made the lightest, or the most compact mat ever designed, we’re stoked to present what we consider to be the most comfortable sleeping mattresses available. Happy sleeping!

The Comfort Light is available in Small, Regular and Large sizes.

Our Comfort Light™ Insulated Mats employ hybrid layer technology with Exkin Platinum® and Thermolite® insulation so you can have it all.

  • Air Sprung Cells™ conform to your body shape, providing a more even dispersion of pressure across the mattress for a more comfortable nights sleep
  • Multi-function high flow-rate valve provides fast inflate, deflate and easy fine-tuning for personalised comfort
  • Ultra-Fresh® anti-microbial treatment to the TPU formula to prevent internal mould growth
  • Includes an Airstream™ Pump that is integrated into the stuff sack for quick and easy inflation
  • Includes a repair kit for easy puncture repair in the field
  • Included Pillow Lock™ system attaches Sea to Summit pillows to mat



Dual layer construction in the torso for maximum comfort and support, and single layer construction in the head and legs where it’s needed less.

The air sprung cells are the core technology of our Sleeping Mat range, and are the reason why you will sleep better on a Sea to Summit Sleeping Mat. Instead of the typical baffled construction, Sea to Summit sleeping mats are constructed using a dot-weld pattern to create a high surface-area matrix of interconnected chambers called Air Sprung Cells. Air Sprung Cells operate in the same way as a pocket spring mattress, as each cell deforms independently the mattress conforms to your body shape which  feels softer and more comfortable with more body contact area  and even dispersion of pressure.

Our TPU lamination is applied through a process unique to the medical and aeronautical industries. Extrusion lamination is more durable, consistent and enables us to use our own TPU recipe. It is vastly superior to roll-to-roll lamination, which is used in most other outdoor products at present and can suffer from delamination issues. We have also introduced an anti-microbial treatment into the TPU to prevent mould or fungal growth.

To make inflation and deflation easier, Sea to Summit has developed our own, patent-pending multi-function valve.

The valve integrates an inflate port with a one-way valve to prevent air loss before you seal the valve, a rapid air dump deflate port, and a fine tune button to adjust for comfort – all in one compact, low profile unit.

Easily secure your Sea to Summit pillow to your Sea to Summit mat for a slip-free sleep.

Designed to keep your pillow exactly where its meant to be—on your sleeping mat—our unique PillowLock™ hook-and-loop fastener patches come standard with all our mats from mid-2019.

Small Regular Large
Length 168cm 184cm 201cm
Width 55cm 55cm 64cm
Height/Depth 6.3cm 6.3cm 6.3cm
Weight 590g 640g 755g
R Value 3.7 3.7 3.7
Rolled Size 12x12x24cm 12x12x24cm 12x12x27cm
Sea To Summit Comfort Light Insulated Sleeping Mat
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