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Bonfus Framus 58L vs Durston Gear Kakwa 55 UltraGrid Pack Small

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

Bonfus Framus 58L is the lighter option — 55 g lighter than the Durston Gear Kakwa 55 UltraGrid Pack Small (7% less weight). If grams matter to you, that is the one to beat.
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Spec Bonfus Framus 58L Durston Gear Kakwa 55 UltraGrid Pack Small
Weight 765 g · 0.765 kg · 1.69 lb 820 g · 0.820 kg · 1.81 lb
Brand Bonfus Durston Gear
Category Backpack Backpack
Bonfus Framus 58L
765 g

Versatile 58L ultralight pack updated for 2026 with reinforced mesh pockets and gatekeeper-compatible attachment loops. Frame can be removed for lightweight mod...

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Durston Gear Kakwa 55 UltraGrid Pack Small
820 g

Updated ultralight pack size S, 28.9oz, with improved hipbelt and durability

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Bonfus Framus 58L vs Durston Gear Kakwa 55 UltraGrid Pack Small: which should you buy?

If saving weight is your priority, the Bonfus Framus 58L wins — at 765 g it is 55 g (7%) lighter than the Durston Gear Kakwa 55 UltraGrid Pack Small (820 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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