Durston Kakwa 55 (2025) vs Gossamer Gear Mariposa 60L Backpack
Weight and specs compared for 2026 — and which one to choose.
55L ultralight thru-hiking pack in Ultra 200X fabric with tubular aluminum frame, carries up to 20kg comfortably.
Versatile ultralight pack with internal frame and removable foam back panel. 60L capacity ideal for multi-day thru-hikes with loads up to 35 lbs.
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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Durston Kakwa 55 (2025) vs Gossamer Gear Mariposa 60L Backpack: which should you buy?
If saving weight is your priority, the Durston Kakwa 55 (2025) wins — at 893 g it is 77 g (8%) lighter than the Gossamer Gear Mariposa 60L Backpack (970 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.