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Osprey Aether 65 vs Osprey Exos 58 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 Osprey Aether 65 Osprey Exos 58 Backpack
Weight 2,210 g · 2.210 kg · 4.87 lb 1,276 g · 1.276 kg · 2.81 lb
Brand Osprey Osprey
Category Backpack Backpack
Osprey Aether 65
2,210 g

Heavy-load backpacking pack with Fit-on-the-Fly adjustable harness and hipbelt and an AirScape backpanel for extended trips.

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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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Osprey Aether 65 vs Osprey Exos 58 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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