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Gregory Zulu 65 vs Osprey Exos 38
Weight and specs compared for 2026 — and which one to choose.
Osprey Exos 38 is the lighter option — 490 g lighter than the Gregory Zulu 65 (29% less weight). If grams matter to you, that is the one to beat.
Osprey Exos 38
1,190 g
Ultralight ventilated multi-day pack with AirSpeed suspended mesh backpanel and removable top lid for fast-and-light backpacking.
Check price Full details →Gregory Zulu 65 vs Osprey Exos 38: which should you buy?
If saving weight is your priority, the Osprey Exos 38 wins — at 1,190 g it is 490 g (29%) lighter than the Gregory Zulu 65 (1,680 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.