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Aarn Featherlite Freedom Pack (Medium) vs Osprey Exos 58 Backpack

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

Osprey Exos 58 Backpack is the lighter option — 75 g lighter than the Aarn Featherlite Freedom Pack (Medium) (6% less weight). If grams matter to you, that is the one to beat.
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Spec Aarn Featherlite Freedom Pack (Medium) Osprey Exos 58 Backpack
Weight 1,351 g · 1.351 kg · 2.98 lb
Medium back size, excluding liner (page: '+ liner')
1,276 g · 1.276 kg · 2.81 lb
Brand Aarn Osprey
Category Backpack Backpack
Aarn Featherlite Freedom Pack (Medium)
1,351 g

Revolutionary body-worn backpack distributing load directly to hips and core. Adjustable for optimal comfort. Medium size rated for multi-day trips with natural...

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Osprey Exos 58 Backpack
1,276 g

Lightweight ventilated backpack with AirSpeed suspended mesh back panel. Floating top lid, large front pocket. Great all-day comfort for summer hikes.

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Aarn Featherlite Freedom Pack (Medium) vs Osprey Exos 58 Backpack: which should you buy?

If saving weight is your priority, the Osprey Exos 58 Backpack wins — at 1,276 g it is 75 g (6%) lighter than the Aarn Featherlite Freedom Pack (Medium) (1,351 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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