Osprey Exos 48 vs Osprey Stratos 36
Weight and specs compared for 2026 — and which one to choose.
Lightweight 48L thru-hiking pack with excellent ventilation.
Ventilated 36L day and overnight pack with AirSpeed suspension.
Building a pack? Add either one to your HikeLoad list, or drop its weight into the base weight calculator, and see what it does to your total weight.
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Osprey Exos 48 vs Osprey Stratos 36: which should you buy?
If saving weight is your priority, the Osprey Exos 48 wins — at 1,280 g it is 30 g (2%) lighter than the Osprey Stratos 36 (1,310 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.