My first sub freezing night in a hammock was an Exped pad and Wiggy's sleeping bag. I ended up supplementing bottom insulation with a wool blanket I had in the truck. Ok to 25* but second night was 14* and I was a bit cold (but also a cold sleeper). Used hot water bottle and it helped. Had bail out option of tent in trunk which I didn't use. Learned a lot from the experience
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