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Durston Gear Kakwa 55 UltraGrid Pack Small vs Osprey Kestrel 68

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

Durston Gear Kakwa 55 UltraGrid Pack Small is the lighter option — 910 g lighter than the Osprey Kestrel 68 (53% less weight). If grams matter to you, that is the one to beat.
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Spec Durston Gear Kakwa 55 UltraGrid Pack Small Osprey Kestrel 68
Weight 820 g · 0.820 kg · 1.81 lb 1,730 g · 1.730 kg · 3.81 lb
Brand Durston Gear Osprey
Category Backpack Backpack
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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Osprey Kestrel 68
1,730 g

Extended journey 68L pack with top-loader design.

Full details →

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Durston Gear Kakwa 55 UltraGrid Pack Small vs Osprey Kestrel 68: which should you buy?

If saving weight is your priority, the Durston Gear Kakwa 55 UltraGrid Pack Small wins — at 820 g it is 910 g (53%) lighter than the Osprey Kestrel 68 (1,730 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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