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Outdoor Research Helium Rain Jacket vs Rab Vital Solo

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

Rab Vital Solo is the lighter option — 20 g lighter than the Outdoor Research Helium Rain Jacket (10% less weight). If grams matter to you, that is the one to beat.
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Spec Outdoor Research Helium Rain Jacket Rab Vital Solo
Weight 200 g · 0.200 kg · 0.44 lb 180 g · 0.180 kg · 0.40 lb
Brand Outdoor Research Rab
Category Clothing - Outer Layer Clothing - Outer Layer
Outdoor Research Helium Rain Jacket
200 g

Ultralight packable waterproof jacket. Award-winning design.

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Rab Vital Solo
180 g

Ultralight waterproof jacket for trail running.

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Outdoor Research Helium Rain Jacket vs Rab Vital Solo: which should you buy?

If saving weight is your priority, the Rab Vital Solo wins — at 180 g it is 20 g (10%) lighter than the Outdoor Research Helium Rain Jacket (200 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 clothing - outer layer page, or browse the full gear weight database.

More clothing - outer layer comparisons