Gossamer Gear Mirage 40L Pack ALUULA vs Zpacks Arc Haul Ultra 60
Weight and specs compared for 2026 — and which one to choose.
Lightest framed 40L backpack, 19.4oz, ALUULA Graflyte V52 ultra-lightweight fabric
Full details →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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Gossamer Gear Mirage 40L Pack ALUULA vs Zpacks Arc Haul Ultra 60: which should you buy?
If saving weight is your priority, the Gossamer Gear Mirage 40L Pack ALUULA wins — at 549 g it is 69 g (11%) lighter than the Zpacks Arc Haul Ultra 60 (618 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.