I am going camping in Havasupai in a few weeks (mid-October) and want to make my own top quilt and under quilt from the Costco throws. Do I need two throws for each project in order to get warmth below 50 degrees or can I get away with one each? Can I just fold over one of the throws (as shown in Derek's popular instructions that I used a poncho liner for previously) or would that be too small? Any advice is appreciated.
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