Osprey Exos 38 vs Osprey Exos 58 Backpack
Weight and specs compared for 2026 — and which one to choose.
Ultralight ventilated multi-day pack with AirSpeed suspended mesh backpanel and removable top lid for fast-and-light backpacking.
Check price Full details →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 38 vs Osprey Exos 58 Backpack: which should you buy?
If saving weight is your priority, the Osprey Exos 38 wins — at 1,190 g it is 86 g (7%) 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.