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Kelty Coyote 65 vs Osprey Atmos AG 50

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

Kelty Coyote 65 is the lighter option — 100 g lighter than the Osprey Atmos AG 50 (5% less weight). If grams matter to you, that is the one to beat.
Spec Kelty Coyote 65 Osprey Atmos AG 50
Weight 1,800 g · 1.800 kg · 3.97 lb 1,900 g · 1.900 kg · 4.19 lb
Brand Kelty Osprey
Category Backpack Backpack
Kelty Coyote 65
1,800 g

Affordable 65L backpacking pack with customizable fit.

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Osprey Atmos AG 50
1,900 g

Versatile 50L Anti-Gravity pack for multi-day adventures.

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Kelty Coyote 65 vs Osprey Atmos AG 50: which should you buy?

If saving weight is your priority, the Kelty Coyote 65 wins — at 1,800 g it is 100 g (5%) lighter than the Osprey Atmos AG 50 (1,900 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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