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Zpacks Arc Scout 37L vs Zpacks Nero Classic Backpack
Weight and specs compared for 2026 — and which one to choose.
Zpacks Nero Classic Backpack is the lighter option — 101 g lighter than the Zpacks Arc Scout 37L (26% less weight). If grams matter to you, that is the one to beat.
Zpacks Arc Scout 37L
390 g
Compact Dyneema frameless pack for lightweight overnighters.
Full details →Zpacks Nero Classic Backpack
289 g
Ultralight frameless Dyneema Composite backpack, just 289g. Roll-top closure with mesh side pockets. Ideal for SUL hikers carrying under 10 lbs base weight.
Check price Full details →Zpacks Arc Scout 37L vs Zpacks Nero Classic Backpack: which should you buy?
If saving weight is your priority, the Zpacks Nero Classic Backpack wins — at 289 g it is 101 g (26%) lighter than the Zpacks Arc Scout 37L (390 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.