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LiteAF ECOPAK 30L Curve Frameless vs NEMO Persist 30 Men's All-Adventure Backpack

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

LiteAF ECOPAK 30L Curve Frameless is the lighter option — 1,131 g lighter than the NEMO Persist 30 Men's All-Adventure Backpack (75% less weight). If grams matter to you, that is the one to beat.
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Spec LiteAF ECOPAK 30L Curve Frameless NEMO Persist 30 Men's All-Adventure Backpack
Weight 368 g · 0.368 kg · 0.81 lb 1,499 g · 1.499 kg · 3.30 lb
Brand LiteAF NEMO
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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NEMO Persist 30 Men's All-Adventure Backpack
1,499 g

30-liter daypack with CCubed recyclable foam cushioning, DryWing back panel for moisture management, CERO solution-dyed fabric for durability, part of Endless P...

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LiteAF ECOPAK 30L Curve Frameless vs NEMO Persist 30 Men's All-Adventure Backpack: which should you buy?

If saving weight is your priority, the LiteAF ECOPAK 30L Curve Frameless wins — at 368 g it is 1,131 g (75%) lighter than the NEMO Persist 30 Men's All-Adventure Backpack (1,499 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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