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Arc'teryx Bora AR 63 vs Zpacks Nero Classic
Weight and specs compared for 2026 — and which one to choose.
Zpacks Nero Classic is the lighter option — 1,969 g lighter than the Arc'teryx Bora AR 63 (87% less weight). If grams matter to you, that is the one to beat.
Arc'teryx Bora AR 63
2,270 g
Technical 63L pack with RotoGlide hipbelt for alpine approaches.
Full details →Zpacks Nero Classic
301 g
Minimalist frameless DCF daypack ideal for ultralight hikers keeping baseweight under 10 lbs. Features roll-top closure and water-resistant Dyneema construction...
Check price Full details →Arc'teryx Bora AR 63 vs Zpacks Nero Classic: which should you buy?
If saving weight is your priority, the Zpacks Nero Classic wins — at 301 g it is 1,969 g (87%) lighter than the Arc'teryx Bora AR 63 (2,270 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.