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ULA Ohm 2.0 vs Zpacks Nero Classic 50L

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

Zpacks Nero Classic 50L is the lighter option — 237 g lighter than the ULA Ohm 2.0 (42% less weight). If grams matter to you, that is the one to beat.
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Spec ULA Ohm 2.0 Zpacks Nero Classic 50L
Weight 567 g · 0.567 kg · 1.25 lb 330 g · 0.330 kg · 0.73 lb
50L, standard straps, no belt (black); blue option listed as 340
Brand ULA Zpacks
Category Backpack Backpack
ULA Ohm 2.0
567 g

Ultralight 50L frameless pack with framesheet option.

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Zpacks Nero Classic 50L
330 g

Frameless ultralight backpack made from Dyneema Composite Fabric. Minimalist design for gram-conscious hikers and ultralight enthusiasts.

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ULA Ohm 2.0 vs Zpacks Nero Classic 50L: which should you buy?

If saving weight is your priority, the Zpacks Nero Classic 50L wins — at 330 g it is 237 g (42%) 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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