Evolved Supply Co The Ranger 40L vs Zpacks Arc Scout 37L
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.
Compact Dyneema frameless pack for lightweight overnighters.
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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Evolved Supply Co The Ranger 40L vs Zpacks Arc Scout 37L: which should you buy?
The listed weights alone are not enough to choose between these products. Confirm the size, included parts and weight basis against each source; choose equipment for the function and fit you need.
See where both rank against everything else in this category on the lightest backpack page, or browse the full gear weight database.