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LiteAF ECOPAK 30L Curve Frameless vs Osprey Exos 58
Weight and specs compared for 2026 — and which one to choose.
LiteAF ECOPAK 30L Curve Frameless is the lighter option — 1,052 g lighter than the Osprey Exos 58 (74% less weight). If grams matter to you, that is the one to beat.
LiteAF ECOPAK 30L Curve Frameless
368 g
Ultralight frameless backpack made from 100% recycled polyester fabric; fully waterproof and durable
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LiteAF ECOPAK 30L Curve Frameless vs Osprey Exos 58: which should you buy?
If saving weight is your priority, the LiteAF ECOPAK 30L Curve Frameless wins — at 368 g it is 1,052 g (74%) lighter than the Osprey Exos 58 (1,420 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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