Unverified80% confidenceTradeoffTime unknown
整体越轻盈通常意味着面料越薄、填充越少，防风保暖会打折扣；轻量羽绒（如900蓬）能兼顾，但价格陡增，日常通勤700-800蓬已足够平衡轻与暖
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Unverified蓬松度越高保暖效率越高、同样保暖下越轻，但价格陡升；轻薄款日常用700蓬松度足够，追求极致便携再上800-90086% similarUnverified蓬松度越高（800+）越轻暖但价格陡增，日常通勤及叠穿场景600-700FP已足够；极寒户外单穿才需800+高蓬松83% similarUnverified蓬松度越高越保暖轻便，但同蓬松度下鹅绒比鸭绒贵约30-50%；日常城市通勤700-800FP鸭绒已足够，追求800+FP鹅绒主要为极致轻量而非必要保暖82% similarUnverified蓬松度越高越轻暖但价格陡增，从700FP到900FP保暖提升边际递减；日常通勤700-800FP性价比最高，追求900FP以上更多是户外极限或轻量化需求81% similarUnverified羽绒马甲蓬松度越高越保暖轻便但价格陡增，日常城市通勤600蓬松度足够，700+仅在极寒或追求极致轻量时才值得80% similar
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