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Assuming you have a men's bag, the -40F rating is probably the limit rating, but it might be the extreme rating. If it is the extreme rating then sleeping in -28F, it does not surprise me that you ...
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Assuming you have a men's bag, the -40F rating is probably the limit rating, but it might be the extreme rating. If it is the extreme rating then sleeping in -28F, it does not surprise me that you ...