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Gregory Zulu 35 Backpack vs Osprey Exos 38

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

Osprey Exos 38 is the lighter option — 350 g lighter than the Gregory Zulu 35 Backpack (23% less weight). If grams matter to you, that is the one to beat.
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Spec Gregory Zulu 35 Backpack Osprey Exos 38
Weight 1,540 g · 1.540 kg · 3.40 lb
size M/L
 1,190 g · 1.190 kg · 2.62 lb
Brand Gregory Osprey
Category Backpack Backpack
Gregory Zulu 35 Backpack
1,540 g

Day hiking pack, 46.9oz, ventilated suspension system for comfort

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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.

See it in your base weight → Full details →

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Gregory Zulu 35 Backpack 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 350 g (23%) lighter than the Gregory Zulu 35 Backpack (1,540 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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