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Outdoor Vitals Carbon Evo 50 Backpack vs Zpacks Nero Pro Ultralight Backpack 30L

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

Zpacks Nero Pro Ultralight Backpack 30L is the lighter option — 395 g lighter than the Outdoor Vitals Carbon Evo 50 Backpack (46% less weight). If grams matter to you, that is the one to beat.
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Spec Outdoor Vitals Carbon Evo 50 Backpack Zpacks Nero Pro Ultralight Backpack 30L
Weight 850 g · 0.850 kg · 1.87 lb 455 g · 0.455 kg · 1.00 lb
Brand Outdoor Vitals Zpacks
Category Backpack Backpack
Outdoor Vitals Carbon Evo 50 Backpack
850 g

Mid-sized pack with UltraStretch mesh front pocket and full suspension frame under 2 lbs.

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Zpacks Nero Pro Ultralight Backpack 30L
455 g

Sub-one-pound waterproof frameless pack, 16oz, seam-taped Ultra fabric body

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Outdoor Vitals Carbon Evo 50 Backpack vs Zpacks Nero Pro Ultralight Backpack 30L: which should you buy?

If saving weight is your priority, the Zpacks Nero Pro Ultralight Backpack 30L wins — at 455 g it is 395 g (46%) lighter than the Outdoor Vitals Carbon Evo 50 Backpack (850 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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