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Mountain Hardwear Alakazam 45L vs Zpacks Arc Haul Ultra 60

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

Zpacks Arc Haul Ultra 60 is the lighter option — 202 g lighter than the Mountain Hardwear Alakazam 45L (25% less weight). If grams matter to you, that is the one to beat.
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Spec Mountain Hardwear Alakazam 45L Zpacks Arc Haul Ultra 60
Weight 820 g · 0.820 kg · 1.81 lb 618 g · 0.618 kg · 1.36 lb
Brand Mountain Hardwear Zpacks
Category Backpack Backpack
Mountain Hardwear Alakazam 45L
820 g

Ultralight pack with Aluula Graflyte material. Swivel hipbelt for natural load distribution.

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Zpacks Arc Haul Ultra 60
618 g

Ultralight 60L thru-hiking pack with carbon fiber frame and Ultra 100X Dyneema fabric. Seam-taped roll-top design with side water bottle pockets.

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

If saving weight is your priority, the Zpacks Arc Haul Ultra 60 wins — at 618 g it is 202 g (25%) lighter than the Mountain Hardwear Alakazam 45L (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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