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First Lite Vapor Stormlight vs Outdoor Research Helium Rain Jacket

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

Outdoor Research Helium Rain Jacket is the lighter option — 140 g lighter than the First Lite Vapor Stormlight (41% less weight). If grams matter to you, that is the one to beat.
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Spec First Lite Vapor Stormlight Outdoor Research Helium Rain Jacket
Weight 340 g · 0.340 kg · 0.75 lb 200 g · 0.200 kg · 0.44 lb
Brand First Lite Outdoor Research
Category Clothing - Outer Layer Clothing - Outer Layer
First Lite Vapor Stormlight
340 g

2.5-layer ultralight packable rain jacket with Turret Hood and 37.5 Active Particle Technology, compresses into its own pocket.

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Outdoor Research Helium Rain Jacket
200 g

Ultralight packable waterproof jacket. Award-winning design.

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First Lite Vapor Stormlight vs Outdoor Research Helium Rain Jacket: which should you buy?

If saving weight is your priority, the Outdoor Research Helium Rain Jacket wins — at 200 g it is 140 g (41%) lighter than the First Lite Vapor Stormlight (340 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