Gossamer Gear Mirage 40 vs ULA Ohm 2.0

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

Gossamer Gear Mirage 40 is the lighter option — 17 g lighter than the ULA Ohm 2.0 (3% less weight). If grams matter to you, that is the one to beat.

Spec	Gossamer Gear Mirage 40	ULA Ohm 2.0
Weight	550 g · 0.550 kg · 1.21 lb	567 g · 0.567 kg · 1.25 lb
Brand	Gossamer Gear	ULA
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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ULA Ohm 2.0

567 g

Ultralight 50L frameless pack with framesheet option.

Full details →

Gossamer Gear Mirage 40 vs ULA Ohm 2.0: which should you buy?

If saving weight is your priority, the Gossamer Gear Mirage 40 wins — at 550 g it is 17 g (3%) lighter than the ULA Ohm 2.0 (567 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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