Unverified85% confidenceTradeoffTime unknown
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
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85%
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Unverified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89% 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86% similarUnverified蓬松度越高越保暖越轻但价格陡增，日常通勤/城市冬季600-700FP已足够；800FP以上主要为高海拔登山、极地等极端场景准备，通勤过度保暖反而闷汗86% similarUnverified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蓬松度越高越保暖越轻，但价格和维护成本也越高；日常通勤在温和地区用600-700FP完全够用，追求800FP以上主要为极寒或极致轻量需求，普通人性价比低85% similar
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