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Mattress and pad sizes question

Posted: Mon 01 Feb, 2021 8:58 am
by Moondog55
Just an idle thought that popped into my head.
How and why did we wind up with our standard pad widths of 20 and 26 inches in the old measurements?

Re: Mattress and pad sizes question

Posted: Mon 01 Feb, 2021 9:35 am
by Bam
My guess would be, especially with regards to the standard width pad before the invention of self-inflating pads, that it was based upon what the most practical width a rolled up pad could be carried horizontally on a backpack without causing too many issues.

Re: Mattress and pad sizes question

Posted: Mon 01 Feb, 2021 11:21 am
by JohnnoMcJohnno
Good question. I wondered whether it was related to the size of the old rubber/canvas Li-lo's, but I'm pretty sure they were a fair bit wider than 20 inches. I no longer have one to check. Of course that would just beg the question as to why Li-Lo's were the size they were.