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Arc'teryx Bora AR 63 vs Zpacks Nero Classic 30L

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

Zpacks Nero Classic 30L 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.
Spec Arc'teryx Bora AR 63 Zpacks Nero Classic 30L
Weight 2,270 g · 2.270 kg · 5.00 lb 301 g · 0.301 kg · 0.66 lb
Brand Arc'teryx Zpacks
Category Backpack Backpack
Arc'teryx Bora AR 63
2,270 g

Technical 63L pack with RotoGlide hipbelt for alpine approaches.

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Zpacks Nero Classic 30L
301 g

Frameless ultralight backpack built with durable Ultra 100X fabric. Minimalist design for long-distance hikers prioritizing minimum pack weight.

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Arc'teryx Bora AR 63 vs Zpacks Nero Classic 30L: which should you buy?

If saving weight is your priority, the Zpacks Nero Classic 30L 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.

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