Lowepro ProTactic BP 350 AW II Camera Backpack vs Zpacks Arc Haul Ultra 40L
Weight and specs compared for 2026 — and which one to choose.
Professional camera and laptop backpack with weather protection, 350 cubic inches storage, modular organization, Lowepro Autofocus technology.
Full details →Dyneema 40L pack at 540g. Compact version of Arc Haul for minimalist backpacking setups.
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Lowepro ProTactic BP 350 AW II Camera Backpack vs Zpacks Arc Haul Ultra 40L: which should you buy?
If saving weight is your priority, the Zpacks Arc Haul Ultra 40L wins — at 540 g it is 1,580 g (75%) lighter than the Lowepro ProTactic BP 350 AW II Camera Backpack (2,120 g). That said, the heavier option may justify the extra grams with more capacity, durability or comfort, so weigh the trade-off against how you'll use it.
See where both rank against everything else in this category on the lightest backpack page, or browse the full gear weight database.