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LiteAF ECOPAK 30L Curve Frameless vs Zpacks Nero Classic 30L

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

Zpacks Nero Classic 30L is the lighter option — 67 g lighter than the LiteAF ECOPAK 30L Curve Frameless (18% less weight). If grams matter to you, that is the one to beat.
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Spec LiteAF ECOPAK 30L Curve Frameless Zpacks Nero Classic 30L
Weight 368 g · 0.368 kg · 0.81 lb 301 g · 0.301 kg · 0.66 lb
Brand LiteAF Zpacks
Category Backpack Backpack
LiteAF ECOPAK 30L Curve Frameless
368 g

Ultralight frameless backpack made from 100% recycled polyester fabric; fully waterproof and durable

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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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LiteAF ECOPAK 30L Curve Frameless 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 67 g (18%) lighter than the LiteAF ECOPAK 30L Curve Frameless (368 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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