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LiteAF ECOPAK 30L Curve Frameless vs Zpacks Bagger Ultra 25L Backpack

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

No winner on weight yet. The recorded weights have not both been verified on the same basis. Size, included parts and single-item versus pair weights can differ. Check the linked sources before choosing a replacement.

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Spec LiteAF ECOPAK 30L Curve Frameless Zpacks Bagger Ultra 25L Backpack
Weight 368 g · 0.368 kg · 0.81 lb 352 g · 0.352 kg · 0.78 lb
as listed, default option (small/women's straps, no belt); standard straps no belt is listed as 365
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

See it in your base weight → Full details →
Zpacks Bagger Ultra 25L Backpack
352 g

Ultralight day-hiking and short overnight pack in DCF. Minimalist design with padded back panel, sternum strap, and hip belt attachment.

See it in your base weight → Full details →

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LiteAF ECOPAK 30L Curve Frameless vs Zpacks Bagger Ultra 25L Backpack: which should you buy?

The listed weights alone are not enough to choose between these products. Confirm the size, included parts and weight basis against each source; choose equipment for the function and fit you need.

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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