Deuter Aircontact Lite 45+10 vs Durston Kakwa 55 (2025)

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

Durston Kakwa 55 (2025) is the lighter option — 720 g lighter than the Deuter Aircontact Lite 45+10 (46% less weight). If grams matter to you, that is the one to beat.

Spec	Deuter Aircontact Lite 45+10	Durston Kakwa 55 (2025)
Weight	1,570 g · 1.570 kg · 3.46 lb	850 g · 0.850 kg · 1.87 lb
Brand	Deuter	Durston
Category	Backpack	Backpack

Deuter Aircontact Lite 45+10

1,570 g

Lightweight 45+10L pack with Aircontact Lite back.

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Durston Kakwa 55 (2025)

850 g

55L ultralight thru-hiking pack in Ultra 200X fabric with tubular aluminum frame, carries up to 20kg comfortably.

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Deuter Aircontact Lite 45+10 vs Durston Kakwa 55 (2025): which should you buy?

If saving weight is your priority, the Durston Kakwa 55 (2025) wins — at 850 g it is 720 g (46%) lighter than the Deuter Aircontact Lite 45+10 (1,570 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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