Evolved Supply Co The Ranger 40L vs Osprey Exos 38
Weight and specs compared for 2026 — and which one to choose.
Frameless ultralight backpack from recycled plastic water bottles. Base pack weighs 16oz with all essentials: roll-top, pockets, and trash hole.
Full details →Ultralight ventilated multi-day pack with AirSpeed suspended mesh backpanel and removable top lid for fast-and-light backpacking.
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Evolved Supply Co The Ranger 40L vs Osprey Exos 38: which should you buy?
If saving weight is your priority, the Evolved Supply Co The Ranger 40L wins — at 444 g it is 746 g (63%) lighter than the Osprey Exos 38 (1,190 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.