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Gossamer Gear Mariposa 60L Backpack vs ULA Catalyst

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

No winner on weight yet. The recorded weights have not both been verified on the same basis. Size, included parts and single-item versus pair weights can differ. Check the linked sources before choosing a replacement.

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Spec Gossamer Gear Mariposa 60L Backpack ULA Catalyst
Weight 970 g · 0.970 kg · 2.14 lb 1,259 g · 1.259 kg · 2.78 lb
as listed; page does not state size
Brand Gossamer Gear ULA
Category Backpack Backpack
Gossamer Gear Mariposa 60L Backpack
970 g

Versatile ultralight pack with internal frame and removable foam back panel. 60L capacity ideal for multi-day thru-hikes with loads up to 35 lbs.

See it in your base weight → Full details →
ULA Catalyst
1,259 g

Versatile 68L semi-frameless pack for loaded trips.

See it in your base weight → Full details →

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Gossamer Gear Mariposa 60L Backpack vs ULA Catalyst: which should you buy?

The listed weights alone are not enough to choose between these products. Confirm the size, included parts and weight basis against each source; choose equipment for the function and fit you need.

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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