Gossamer Gear Mirage 40 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 — 40 g lighter than the Gossamer Gear Mirage 40 (7% less weight). If grams matter to you, that is the one to beat.

Spec	Gossamer Gear Mirage 40	Zpacks Arc Haul Ultra 60L
Weight	550 g · 0.550 kg · 1.21 lb	510 g · 0.510 kg · 1.12 lb
Brand	Gossamer Gear	Zpacks
Category	Backpack	Backpack

Gossamer Gear Mirage 40

550 g

40L frameless ultralight pack crafted from ALUULA Graflyte fabric, one of the lightest full-featured backpacks available in 2026.

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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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Gossamer Gear Mirage 40 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 40 g (7%) lighter than the Gossamer Gear Mirage 40 (550 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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