I now have 3 sleeping mats. A Thermarest Prolite regular length, the Exped Downmat 9 regular length, and a Thermarest Ridgerest short length (plus a thermarest zlite seat that I have used as an extension to make my ridgerest full length).
I may never use my prolite again. The downmat is about 50% heavier than the prolite, but 3 times as thick and over 2 times the insulating value. It is like sle
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