Superseded82% confidenceFactTime unknown
看隔湿性能用R值（热阻）判断：R值≥2适合三季露营，R值≥4适合冬季雪地；单纯看厚度会被高蓬松低密度材料误导
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This knowledge claim has been superseded by newer content
R值决定隔热能力：夏季3季营地R值1.5-3够用，深秋春营地需R3-4，冬季雪地露营需R值≥5，极寒（-20℃以下）建议叠加使用总R值≥6Sources
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