Osprey Exos Pro 55 vs Zpacks Arc Haul Ultra 60L
Weight and specs compared for 2026 — and which one to choose.
Ultralight thru-hiking pack with ventilated AirSpeed back panel and removable lid, in 100D nylon ripstop. Nearly a pound lighter than the Exos 58.
Check price Full details →Ultralight framed Dyneema pack. One of the lightest framed packs.
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Osprey Exos Pro 55 vs Zpacks Arc Haul Ultra 60L: which should you buy?
If saving weight is your priority, the Zpacks Arc Haul Ultra 60L wins — at 510 g it is 352 g (41%) lighter than the Osprey Exos Pro 55 (862 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.