The Sea To Summit Comfort Plus Insulated Mat is a synthetically filled mat with a dual layer construction throughout the mat. It features Sea To Summit's Air Sprung Cells for an impressive level of comfort. The two layers are completely separate from each other providing a highly adjustable, warm and comfortable mat. This is an ideal mat for cold weather camping, particularly if you value the adjustment of your mattress.
The Comfort Plus uses a layer of Thermolite insulation in each individual cell whilst an Exkin Platinum fabric is used between the layers to reflect heat back towards the top of the mat further increasing the insulating. This does mean that there is a right way and a wrong way up on this mat, which is easily identified by where the logo is. The two layer construction allows the pressure of the top and bottom layer to be adjusted separately, this gives an unrivalled level of adjustment: You could have the bottom layer very firm if you're using it on rocky ground, whilst the top layer could be kept relatively soft if you don't like a hard mattress. It also has the added bonus that if you should puncture the mat only one side of it will deflate, so it's not a nightmare if you can't, at the time, repair it. It does come with a pump stuff sack, repair kit and a spare valve flap.
Unsure if this is the right mat for you? Please read How to Choose a Sleeping Mat.
|Small||168 x 55cm||6.3cm||11.5 x 23cm||715g||5.0|
|Regular||183 x 55cm||6.3cm||12 x 23cm||785g||5.0|
|Large||201 x 64cm||6.3cm||12.5 x 26cm||920g||5.0|
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I first had a Thermarest prolite plus but I kept having bad nights due to my arm sleeping (and that being the only part of me asleep) so I went looking for a more comfortable and also lighter pad.
I'm a sidesleeper and I was looking for something more comfortable. I was looking at the thermarest xlite and xtherm first but in the end made the gamble and went for this one as I had read that this was really the most comfortable mat available. It is a lot heavier (around 350 grams more than the xtherm - it is wider than the regular xtherm though). This made me doubt in the beginning. Also sea to summit is quite new to this market.
Other reasons for my decision were the fact that this should be more quiet. The thermarest line tends to crackle (so I have read). And additionally the added layer of security of having 2 inflatable layers instead of only one.
Conclusion after sleeping on it for a week in winter below freezing temps: This mat is incredibly comfortable! I slept amazing on it. No crackling at all and you can adjust the 2 sides for more comfort.
My friend had my prolite plus and a z-lite for added warmth and he wouldn't believe me when I told him how comfortable it was so he tried it and it was hard to kick him off again. I also had no cold coming through the mat while the ground outside was frozen rock solid and it was well below freezing.
Inflating it is super easy with the pump sack you get for free with it. 2-3 times each side and done. I also like the valves. They close on their own and you can let out a little bit of air by pushing it open so you can easily adjust the firmness of your mat. No need for trying to close the valve as fast as possible as no air escaped on its own anyway. For releasing the air just open both valves and 2 seconds later the pad is empty.
I can highly recommend it if you don't mind the 350 grams added weight.
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