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Montane Trailblazer LT 20L vs ULA Catalyst

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

Montane Trailblazer LT 20L is the lighter option — 550 g lighter than the ULA Catalyst (65% less weight). If grams matter to you, that is the one to beat.
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Spec Montane Trailblazer LT 20L ULA Catalyst
Weight 300 g · 0.300 kg · 0.66 lb 850 g · 0.850 kg · 1.87 lb
Brand Montane ULA
Category Backpack Backpack
Montane Trailblazer LT 20L
300 g

Ultralight day pack with customizable COVALENT harness system designed for active adventures where low weight and speed are paramount. 20L capacity, waterproof...

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ULA Catalyst
850 g

Versatile 68L semi-frameless pack for loaded trips.

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Montane Trailblazer LT 20L vs ULA Catalyst: which should you buy?

If saving weight is your priority, the Montane Trailblazer LT 20L wins — at 300 g it is 550 g (65%) lighter than the ULA Catalyst (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.

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