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Black Diamond Beta Light 45L vs Fjallraven Kajka X-Lätt 45

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

No winner on weight yet. The recorded weights have not both been verified on the same basis. Size, included parts and single-item versus pair weights can differ. Check the linked sources before choosing a replacement.

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Spec Black Diamond Beta Light 45L Fjallraven Kajka X-Lätt 45
Weight 890 g · 0.890 kg · 1.96 lb 1,190 g · 1.190 kg · 2.62 lb
Brand Black Diamond Fjallraven
Category Backpack Backpack
Black Diamond Beta Light 45L
890 g

Lightweight 45-liter backpack designed for alpine and minimalist backpacking. Can be stripped to 650g by removing hip belt and internal stays.

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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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Black Diamond Beta Light 45L vs Fjallraven Kajka X-Lätt 45: which should you buy?

The listed weights alone are not enough to choose between these products. Confirm the size, included parts and weight basis against each source; choose equipment for the function and fit you need.

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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