Osprey Exos 58 Backpack vs ULA Equipment Ultra Circuit
Weight and specs compared for 2026 — and which one to choose.
Lightweight ventilated backpack with AirSpeed suspended mesh back panel. Floating top lid, large front pocket. Great all-day comfort for summer hikes.
Full details →Popular 68L ultralight backpack with Ultra fabric. Lightweight option for long-distance trails.
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Osprey Exos 58 Backpack vs ULA Equipment Ultra Circuit: which should you buy?
If saving weight is your priority, the ULA Equipment Ultra Circuit wins — at 957 g it is 319 g (25%) lighter than the Osprey Exos 58 Backpack (1,276 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.