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It somewhat depends on how warm you sleep and how much you're willing to layer up in your bag. I've met people who claim they used one 30F bag the whole trip (with thick layers at the start, and u...
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It somewhat depends on how warm you sleep and how much you're willing to layer up in your bag. I've met people who claim they used one 30F bag the whole trip (with thick layers at the start, and u...