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Gossamer Gear Kumo 36 Superlight vs Mountain Hardwear Alakazam 45L ALUULA Graflyte

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

Gossamer Gear Kumo 36 Superlight is the lighter option — 406 g lighter than the Mountain Hardwear Alakazam 45L ALUULA Graflyte (50% less weight). If grams matter to you, that is the one to beat.
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Spec Gossamer Gear Kumo 36 Superlight Mountain Hardwear Alakazam 45L ALUULA Graflyte
Weight 414 g · 0.414 kg · 0.91 lb 820 g · 0.820 kg · 1.81 lb
Brand Gossamer Gear Mountain Hardwear
Category Backpack Backpack
Gossamer Gear Kumo 36 Superlight
414 g

Frameless 36L ultralight pack in recycled Robic nylon, ideal for day hikes and minimalist overnight loads up to 25 lbs.

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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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Gossamer Gear Kumo 36 Superlight vs Mountain Hardwear Alakazam 45L ALUULA Graflyte: which should you buy?

If saving weight is your priority, the Gossamer Gear Kumo 36 Superlight wins — at 414 g it is 406 g (50%) 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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