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Fjällräven Kaipak 38 vs Gregory Optic 48

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 Fjällräven Kaipak 38 Gregory Optic 48
Weight 1,600 g · 1.600 kg · 3.53 lb 1,370 g · 1.370 kg · 3.02 lb
Brand Fjällräven Gregory
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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Gregory Optic 48
1,370 g

Lightweight 48L trail pack with suspended mesh back panel.

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Fjällräven Kaipak 38 vs Gregory Optic 48: 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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