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Mountain Hardwear Alakazam 45 Backpack vs Zpacks Arc Haul Ultra 60L

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

Zpacks Arc Haul Ultra 60L is the lighter option — 309 g lighter than the Mountain Hardwear Alakazam 45 Backpack (38% less weight). If grams matter to you, that is the one to beat.
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Spec Mountain Hardwear Alakazam 45 Backpack Zpacks Arc Haul Ultra 60L
Weight 819 g · 0.819 kg · 1.81 lb 510 g · 0.510 kg · 1.12 lb
Brand Mountain Hardwear Zpacks
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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Zpacks Arc Haul Ultra 60L
510 g

Ultralight framed Dyneema pack. One of the lightest framed packs.

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Mountain Hardwear Alakazam 45 Backpack vs Zpacks Arc Haul Ultra 60L: which should you buy?

If saving weight is your priority, the Zpacks Arc Haul Ultra 60L wins — at 510 g it is 309 g (38%) 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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