ULA Equipment Ultra Circuit vs Zpacks Arc Haul Ultra 60L
Weight and specs compared for 2026 — and which one to choose.
Popular 68L ultralight backpack with Ultra fabric. Lightweight option for long-distance trails.
Full details →Ultralight framed Dyneema pack. One of the lightest framed packs.
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ULA Equipment Ultra Circuit 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 447 g (47%) lighter than the ULA Equipment Ultra Circuit (957 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.