Unverified50% confidenceDecision RuleTime unknown

登山包负重超过12kg时，必须选带腰带承重系统的包，腰带能将60-70%重量转移到胯骨，减轻肩部压力，无腰带的城市包不适合长时间负重

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户外背包/拉杆箱category

Related Claims

Unverified重量约135g、可收纳进自身口袋是其核心卖点，但超轻面料耐磨性有限，不适合需要经常与粗糙背包肩带或岩石面摩擦的重装徒步场景81% similar Unverified不建议为'城市徒步'买带专业腰带（hipbelt承重系统）的登山包，15-25L负载根本用不上腰部转移，多出的腰带在通勤挤地铁时反而累赘且升高包体重量81% similar

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