Unverified90% confidenceTradeoffTime unknown
R值越高（含羽绒/化纤填充或反射层），收纳体积越大且重量越增；追求极致轻量常牺牲隔热，冬季轻量与保暖不可兼得需二选一或用泡沫垫叠加
1
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90%
Confidence
Long-term
Relevance
-
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