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Zpacks Nero Classic 40L vs Zpacks Nero Classic 50L

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

Both weigh the same at 289 g, so choose on features, price and fit.
Spec Zpacks Nero Classic 40L Zpacks Nero Classic 50L
Weight 289 g · 0.289 kg · 0.64 lb 289 g · 0.289 kg · 0.64 lb
Brand Zpacks Zpacks
Category Backpack Backpack
Zpacks Nero Classic 40L
289 g

Frameless ultralight pack in 30L or 40L, built from Dyneema CF fabric. One of the lightest load-carrying packs available for thru-hiking.

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Zpacks Nero Classic 50L
289 g

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

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Zpacks Nero Classic 40L vs Zpacks Nero Classic 50L: which should you buy?

On weight these two are identical (289 g), so your decision comes down to features, fit and price. Check the full details and current price for each above.

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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