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Gossamer Gear Mariposa 60 vs ULA Ohm 2.0

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

ULA Ohm 2.0 is the lighter option — 50 g lighter than the Gossamer Gear Mariposa 60 (8% less weight). If grams matter to you, that is the one to beat.
Spec Gossamer Gear Mariposa 60 ULA Ohm 2.0
Weight 617 g · 0.617 kg · 1.36 lb 567 g · 0.567 kg · 1.25 lb
Brand Gossamer Gear ULA
Category Backpack Backpack
Gossamer Gear Mariposa 60
617 g

Ultralight 60L frameless pack with sit pad back panel.

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ULA Ohm 2.0
567 g

Ultralight 50L frameless pack with framesheet option.

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Gossamer Gear Mariposa 60 vs ULA Ohm 2.0: which should you buy?

If saving weight is your priority, the ULA Ohm 2.0 wins — at 567 g it is 50 g (8%) lighter than the Gossamer Gear Mariposa 60 (617 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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