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Durston Gear Kakwa 40 vs Mountain Hardwear Alakazam 45L ALUULA Graflyte

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

Durston Gear Kakwa 40 is the lighter option — 25 g lighter than the Mountain Hardwear Alakazam 45L ALUULA Graflyte (3% less weight). If grams matter to you, that is the one to beat.
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Spec Durston Gear Kakwa 40 Mountain Hardwear Alakazam 45L ALUULA Graflyte
Weight 795 g · 0.795 kg · 1.75 lb 820 g · 0.820 kg · 1.81 lb
Brand Durston Gear Mountain Hardwear
Category Backpack Backpack
Durston Gear Kakwa 40
795 g

Ultralight 40L internal-frame thru-hiking pack in Ultra 200X fabric, with a hollow aluminum U-frame and 15L of external storage.

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Mountain Hardwear Alakazam 45L ALUULA Graflyte
820 g

Spring 2026 framed ultralight pack in new ALUULA fabric; one of first mainstream packs with this material

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Durston Gear Kakwa 40 vs Mountain Hardwear Alakazam 45L ALUULA Graflyte: which should you buy?

If saving weight is your priority, the Durston Gear Kakwa 40 wins — at 795 g it is 25 g (3%) lighter than the Mountain Hardwear Alakazam 45L ALUULA Graflyte (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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