If you're going up in R-value, maybe try the Exped in the process. I'd tried some other air mattresses in the past, and the Exped works far better for me.Good to know! Thanks, I wasn’t aware that the bag was rated based on a certain r value pad
Maybe I don’t get cold like I thought!
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I too get cold feet - down booties, as recommended above, can make an amazing difference, for very minimal weight. But test them first - mine were so warm I actually overheated!