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Forclaz MT900 UL 50+10 vs Gregory Zulu 35 Backpack

Weight and specs compared for 2026 — and which one to choose.

Forclaz MT900 UL 50+10 is the lighter option — 450 g lighter than the Gregory Zulu 35 Backpack (34% less weight). If grams matter to you, that is the one to beat.
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Spec Forclaz MT900 UL 50+10 Gregory Zulu 35 Backpack
Weight 880 g · 0.880 kg · 1.94 lb 1,330 g · 1.330 kg · 2.93 lb
Brand Forclaz Gregory
Category Backpack Backpack
Forclaz MT900 UL 50+10
880 g

Decathlon ultralight thru-hiking backpack with 50+10L capacity, roll-top closure and removable components for paring down trail weight.

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Gregory Zulu 35 Backpack
1,330 g

Day hiking pack, 46.9oz, ventilated suspension system for comfort

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Forclaz MT900 UL 50+10 vs Gregory Zulu 35 Backpack: which should you buy?

If saving weight is your priority, the Forclaz MT900 UL 50+10 wins — at 880 g it is 450 g (34%) 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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