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Gregory Paragon 58 vs Osprey Exos Pro 55 Backpack
Weight and specs compared for 2026 — and which one to choose.
Osprey Exos Pro 55 Backpack is the lighter option — 743 g lighter than the Gregory Paragon 58 (44% less weight). If grams matter to you, that is the one to beat.
Osprey Exos Pro 55 Backpack
937 g
Ultralight thru-hiking backpack at 937g (S/M) with 55L capacity and comfortable suspension for loads up to 35 lbs.
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Gregory Paragon 58 vs Osprey Exos Pro 55 Backpack: which should you buy?
If saving weight is your priority, the Osprey Exos Pro 55 Backpack wins — at 937 g it is 743 g (44%) lighter than the Gregory Paragon 58 (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.
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