Unverified82% confidenceTradeoffTime unknown
蓬松度越高越保暖轻便但价格越贵，儿童生长快、羽绒服穿1-2季即淘汰，日常无需追求800+蓬松度，600-700已足够
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82%
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Unverified蓬松度越高（fill power 600以上）越保暖轻便但价格陡增，儿童日常穿着600蓬松度已足够，追求800+高蓬松反而因面料需更防钻绒导致偏硬，牺牲儿童活动灵活性87% similarUnverified儿童生长快，家居服单套溢价不划算，建议按季节购买2-3套轮换，多套装（3件以上）通常比单买省20-30%，且尺码可跨1个码段储备80% similarUnverified克重越高越保暖但越显臃肿且干得慢——儿童冬季内搭卫衣选280g左右更利索，外穿主力款可上350g+；亲子同款时优先保证成人款足够厚79% similarUnverified孩子处于快速生长期（每年长高6-8cm）不建议买贵价高端亲子套装，穿一季即淘汰性价比极低；基础款平价高频更换更划算79% similarUnverified儿童生长快，80-250元价位段外套应优先选袖口/下摆可调节、稍留余量的款式，单季买大一码可延长使用期，性价比高于精准合身的贵价款78% similar
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