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Zpacks Arc Scout 37L vs Zpacks Nero Classic 40L

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 Zpacks Arc Scout 37L Zpacks Nero Classic 40L
Weight 390 g · 0.390 kg · 0.86 lb 308 g · 0.308 kg · 0.68 lb
40L, standard straps, no belt
Brand Zpacks Zpacks
Category Backpack Backpack
Zpacks Arc Scout 37L
390 g

Compact Dyneema frameless pack for lightweight overnighters.

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Zpacks Nero Classic 40L
308 g

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

See it in your base weight → Full details →

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Zpacks Arc Scout 37L vs Zpacks Nero Classic 40L: 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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