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Zpacks Arc Blast 55L vs Zpacks Nero Classic 30L

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

Zpacks Nero Classic 30L is the lighter option — 149 g lighter than the Zpacks Arc Blast 55L (33% less weight). If grams matter to you, that is the one to beat.
Spec Zpacks Arc Blast 55L Zpacks Nero Classic 30L
Weight 450 g · 0.450 kg · 0.99 lb 301 g · 0.301 kg · 0.66 lb
Brand Zpacks Zpacks
Category Backpack Backpack
Zpacks Arc Blast 55L
450 g

Frameless Dyneema pack with excellent load carry for its weight.

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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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Zpacks Arc Blast 55L 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 149 g (33%) lighter than the Zpacks Arc Blast 55L (450 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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