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Osprey Exos 58 vs Osprey Kestrel 48
Weight and specs compared for 2026 — and which one to choose.
Osprey Exos 58 is the lighter option — 80 g lighter than the Osprey Kestrel 48 (5% less weight). If grams matter to you, that is the one to beat.
Osprey Exos 58 vs Osprey Kestrel 48: which should you buy?
If saving weight is your priority, the Osprey Exos 58 wins — at 1,420 g it is 80 g (5%) lighter than the Osprey Kestrel 48 (1,500 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.