Evolved Supply Co The Ranger 40L vs Hyperlite Mountain Gear Southwest 55 Backpack
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 →Robust ultralight pack with Dyneema Composite Hybrid fabric and two aluminum stays. Ideal for technical terrain and variable weather conditions.
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Evolved Supply Co The Ranger 40L vs Hyperlite Mountain Gear Southwest 55 Backpack: which should you buy?
If saving weight is your priority, the Evolved Supply Co The Ranger 40L wins — at 444 g it is 406 g (48%) lighter than the Hyperlite Mountain Gear Southwest 55 Backpack (850 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.