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Outdoor Vitals Carbon Evo 50 vs ULA Circuit

Weight and specs compared for 2026 — and which one to choose.

ULA Circuit is the lighter option — 191 g lighter than the Outdoor Vitals Carbon Evo 50 (22% less weight). If grams matter to you, that is the one to beat.
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Spec Outdoor Vitals Carbon Evo 50 ULA Circuit
Weight 871 g · 0.871 kg · 1.92 lb 680 g · 0.680 kg · 1.50 lb
Brand Outdoor Vitals ULA
Category Backpack Backpack
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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ULA Circuit
680 g

Ultralight 68L frameless pack. Thru-hiker favourite.

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Outdoor Vitals Carbon Evo 50 vs ULA Circuit: which should you buy?

If saving weight is your priority, the ULA Circuit wins — at 680 g it is 191 g (22%) 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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