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Mountain Hardwear Alakazam 45 Backpack vs Patagonia Ascensionist 35L

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

Patagonia Ascensionist 35L is the lighter option — 81 g lighter than the Mountain Hardwear Alakazam 45 Backpack (10% less weight). If grams matter to you, that is the one to beat.
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Spec Mountain Hardwear Alakazam 45 Backpack Patagonia Ascensionist 35L
Weight 819 g · 0.819 kg · 1.81 lb 738 g · 0.738 kg · 1.63 lb
Brand Mountain Hardwear Patagonia
Category Backpack Backpack
Mountain Hardwear Alakazam 45 Backpack
819 g

ALUULA pack with articulated hip belt and running vest harness for technical hiking.

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Patagonia Ascensionist 35L
738 g

Lightweight climbing and hiking 35L pack.

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Mountain Hardwear Alakazam 45 Backpack vs Patagonia Ascensionist 35L: which should you buy?

If saving weight is your priority, the Patagonia Ascensionist 35L wins — at 738 g it is 81 g (10%) lighter than the Mountain Hardwear Alakazam 45 Backpack (819 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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