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Kelty Coyote 65 vs REI Co-op Flash Air 50

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

REI Co-op Flash Air 50 is the lighter option — 932 g lighter than the Kelty Coyote 65 (52% less weight). If grams matter to you, that is the one to beat.
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Spec Kelty Coyote 65 REI Co-op Flash Air 50
Weight 1,800 g · 1.800 kg · 3.97 lb 868 g · 0.868 kg · 1.91 lb
Brand Kelty REI Co-op
Category Backpack Backpack
Kelty Coyote 65
1,800 g

Affordable 65L backpacking pack with customizable fit.

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REI Co-op Flash Air 50
868 g

Ultralight 50L pack with 3D contoured hip belt and ventilated back panel. Made from PFAS-free UHMWPE fabric with DWR coating.

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Kelty Coyote 65 vs REI Co-op Flash Air 50: which should you buy?

If saving weight is your priority, the REI Co-op Flash Air 50 wins — at 868 g it is 932 g (52%) lighter than the Kelty Coyote 65 (1,800 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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