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Gregory Zulu 65 vs Osprey Kestrel 68
Weight and specs compared for 2026 — and which one to choose.
Gregory Zulu 65 is the lighter option — 50 g lighter than the Osprey Kestrel 68 (3% less weight). If grams matter to you, that is the one to beat.
Gregory Zulu 65 vs Osprey Kestrel 68: which should you buy?
If saving weight is your priority, the Gregory Zulu 65 wins — at 1,680 g it is 50 g (3%) lighter than the Osprey Kestrel 68 (1,730 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.