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Osprey Exos 48 vs Osprey Exos 58 Backpack
Weight and specs compared for 2026 — and which one to choose.
Osprey Exos 58 Backpack is the lighter option — 4 g lighter than the Osprey Exos 48 (0% less weight). If grams matter to you, that is the one to beat.
Osprey Exos 58 Backpack
1,276 g
Lightweight ventilated backpack with AirSpeed suspended mesh back panel. Floating top lid, large front pocket. Great all-day comfort for summer hikes.
Check price Full details →Osprey Exos 48 vs Osprey Exos 58 Backpack: which should you buy?
If saving weight is your priority, the Osprey Exos 58 Backpack wins — at 1,276 g it is 4 g (0%) lighter than the Osprey Exos 48 (1,280 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.