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Gregory Zulu 35 Backpack vs Six Moon Designs Fusion 55
Weight and specs compared for 2026 — and which one to choose.
Six Moon Designs Fusion 55 is the lighter option — 708 g lighter than the Gregory Zulu 35 Backpack (53% less weight). If grams matter to you, that is the one to beat.
Gregory Zulu 35 Backpack
1,330 g
Day hiking pack, 46.9oz, ventilated suspension system for comfort
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Gregory Zulu 35 Backpack vs Six Moon Designs Fusion 55: which should you buy?
If saving weight is your priority, the Six Moon Designs Fusion 55 wins — at 622 g it is 708 g (53%) lighter than the Gregory Zulu 35 Backpack (1,330 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.
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