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Gossamer Gear Mariposa 60L vs Gregory Zulu 65

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

Gossamer Gear Mariposa 60L is the lighter option — 710 g lighter than the Gregory Zulu 65 (42% less weight). If grams matter to you, that is the one to beat.
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Spec Gossamer Gear Mariposa 60L Gregory Zulu 65
Weight 970 g · 0.970 kg · 2.14 lb 1,680 g · 1.680 kg · 3.70 lb
Brand Gossamer Gear Gregory
Category Backpack Backpack
Gossamer Gear Mariposa 60L
970 g

Versatile 60L ultralight backpack with abrasion-resistant fabric. Handles 15-40 lb loads comfortably on long-distance trails.

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Gregory Zulu 65
1,680 g

Ventilated 65L backpacking pack ideal for warm conditions.

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Gossamer Gear Mariposa 60L vs Gregory Zulu 65: which should you buy?

If saving weight is your priority, the Gossamer Gear Mariposa 60L wins — at 970 g it is 710 g (42%) lighter than the Gregory Zulu 65 (1,680 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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