Unverified85% confidenceTradeoffTime unknown
蓬松度(FP)越高，同等保暖下充绒量可更少、更轻，但价格陡增：800FP以上主要为极致轻量买单，650-700FP日常通勤已足够且性价比更高
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Unverified蓬松度越高，压缩后回弹越快、保暖越好，但价格也越高；800FP以上适合专业户外，700-750FP的鹅绒轻量款已能满足绝大多数旅行和秋冬通勤需求86% similarUnverified蓬松度越高越保暖越轻，但成本陡增，日常通勤或叠穿使用650-700FP已足够，800FP+主要为户外重度使用者服务82% similarUnverified蓬松度越高越轻暖但价格陡增，日常城市通勤700FP已足够；只有户外/寒冷地区/极致减重才值得为850+FP付溢价82% similarUnverified蓬松度(Fill Power)越高，达到同保暖度所需羽绒越少、越轻越小，但价格显著上升；日常三季露营700-750FP性价比最高，追求极致轻量的长线徒步才值得上850+FP82% similarUnverified羽绒蓬松度越高越保暖越轻越贵，但边际递减明显：三季通勤露营700-750FP性价比最高，900FP主要为极限重量党和高海拔重装徒步党服务78% similar
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