Unverified85% confidenceCautionTime unknown
已自带一体式内置防雨罩的背包（雨罩藏于底部隔仓）不必额外购买，重复配置只增加负重
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85%
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Long-term
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Unverified背包自带内置防雨罩（藏于底部夹层）的用户不必额外购买，除非原罩容量不足或已老化开裂89% similarUnverified不可折叠压缩至很小体积，不具备应急雨衣那种塞进口袋的便携性；更适合作为出门时就穿上的主力外层，而非备用携带85% similarUnverified自带收纳袋压缩后体积小、重量轻，适合作为常备防雨配件长期挂在背包底仓或侧袋，不额外增加负担84% similarUnverified仅日常通勤偶尔淋雨，不建议买全焊接干袋式重型防水包，取物不便且笨重，选带独立防雨罩的普通背包+内置防水内胆更实用84% similarUnverified背包外挂大量装备（帐篷、睡垫、冰镐）时不建议买普通贴合式防雨罩，应选加大容量或搭配防水背包内胆，否则外挂物无法被覆盖83% similar
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