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Fjällräven Kaipak 38 vs Forclaz MT900 UL 50+10

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

Forclaz MT900 UL 50+10 is the lighter option — 720 g lighter than the Fjällräven Kaipak 38 (45% less weight). If grams matter to you, that is the one to beat.
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Spec Fjällräven Kaipak 38 Forclaz MT900 UL 50+10
Weight 1,600 g · 1.600 kg · 3.53 lb 880 g · 0.880 kg · 1.94 lb
Brand Fjällräven Forclaz
Category Backpack Backpack
Fjällräven Kaipak 38
1,600 g

38L trekking backpack made from recycled polyester and organic cotton G-1000 fabric. Features supportive carrying system with removable waist belt and snow lock...

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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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Fjällräven Kaipak 38 vs Forclaz MT900 UL 50+10: which should you buy?

If saving weight is your priority, the Forclaz MT900 UL 50+10 wins — at 880 g it is 720 g (45%) lighter than the Fjällräven Kaipak 38 (1,600 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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