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Fjallraven Kajka X-Lätt 45 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 — 310 g lighter than the Fjallraven Kajka X-Lätt 45 (26% less weight). If grams matter to you, that is the one to beat.
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Spec Fjallraven Kajka X-Lätt 45 Forclaz MT900 UL 50+10
Weight 1,190 g · 1.190 kg · 2.62 lb 880 g · 0.880 kg · 1.94 lb
Brand Fjallraven Forclaz
Category Backpack Backpack
Fjallraven Kajka X-Lätt 45
1,190 g

Lightweight 45L trekking backpack with birch wood frame, one of the lightest wood-frame packs available. Features Vinylon construction with 45-liter capacity fo...

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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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Fjallraven Kajka X-Lätt 45 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 310 g (26%) lighter than the Fjallraven Kajka X-Lätt 45 (1,190 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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