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Outdoor Vitals Carbon Evo 50 vs ULA Catalyst
Weight and specs compared for 2026 — and which one to choose.
ULA Catalyst is the lighter option — 21 g lighter than the Outdoor Vitals Carbon Evo 50 (2% less weight). If grams matter to you, that is the one to beat.
Outdoor Vitals Carbon Evo 50
871 g
Mid-sized ultralight backpack with carbon fiber frame suspension. 50L capacity with comfortable carry.
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Outdoor Vitals Carbon Evo 50 vs ULA Catalyst: which should you buy?
If saving weight is your priority, the ULA Catalyst wins — at 850 g it is 21 g (2%) lighter than the Outdoor Vitals Carbon Evo 50 (871 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.
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