Sea to Summit Camp Mat S.I. Mat Large

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Nicely wide and long. Let your elbows rest on the platform when sleeping on your back and the sleeping bag won't hang outside the platform. I can sleep on this side myself, but I like hard/stiff platforms.

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Really nice. The hardness of the mattress can be easily softened by opening the valve. Impractically heavy, but this was already known when buying

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I looked at the R value quite blindly and compared to other Sea to summit platforms. I took this, but quite thin and a bit emollient. If I had to choose again, I would take the thicker and more expensive one. Self-fulfillment is a feature that exists in marketing, but it doesn't really exist. You have to inflate the mattress yourself.

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Great quality

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A well-functioning mattress for touring use that fills up easily and stays as firm as you want, as long as you give a few extra blows with your mouth to apply a little extra pressure inside the mattress. Thanks to the multi-function valve, it is easy to fill and empty, the use of the rotation position of the valve is not so clear when packing.

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Seems to be good value for money from the first test

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Warm and pleasant to sleep. Does it take up a lot of space when packed?

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A working model, perhaps a slightly lighter version should have been chosen.

Not the thickest mat, but robust and warm.

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Nice warm, but the packaging is painful, especially in terrain, because the mouth of the storage bag is so small.