Letter of the month
Jun 21, 2021
3 minutes
CLOSED CELL FOAM MATS ARE THE BEST
I still have my 10mm closed cell foam mattress from 40 years ago. It was the bees-knees when it came out, with all the attributes mentioned in the article (‘The multipurpose mattress’, June 2021), but I think the author undersells the insulating properties of CCF.
I have slept in an ice cave, a snow trench, and permafrost ground without an issue of cold penetration on my CCF. I have a slightly heavier inflatable now for comfort, not warmth and it is 1/8th the volume. Will it be
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