Durston Kakwa 55 (2025) vs Outdoor Vitals Shadowlight Carbon 60 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.
60L ultralight backpack at just 895g (31.5oz) with carbon fiber frame, full suspension system, and comfortable hip belt for multi-day trips.
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 Outdoor Vitals Shadowlight Carbon 60 Backpack: which should you buy?
If saving weight is your priority, the Durston Kakwa 55 (2025) wins — at 893 g it is 2 g (0%) lighter than the Outdoor Vitals Shadowlight Carbon 60 Backpack (895 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.