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Arc'teryx Helium Jacket vs Black Diamond Stormline Stretch Rain Shell

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

Arc'teryx Helium Jacket is the lighter option — 58 g lighter than the Black Diamond Stormline Stretch Rain Shell (26% less weight). If grams matter to you, that is the one to beat.
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Spec Arc'teryx Helium Jacket Black Diamond Stormline Stretch Rain Shell
Weight 162 g · 0.162 kg · 0.36 lb 220 g · 0.220 kg · 0.49 lb
Brand Arc'teryx Black Diamond
Category Clothing - Outer Layer Clothing - Outer Layer
Arc'teryx Helium Jacket
162 g

Ultralight waterproof-breathable rain jacket at 5.7 oz using N10p-X AC nylon with Gore-Tex technology. Packable into chest pocket. Men's medium.

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Black Diamond Stormline Stretch Rain Shell
220 g

Packable waterproof shell with stretch for climbing.

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Arc'teryx Helium Jacket vs Black Diamond Stormline Stretch Rain Shell: which should you buy?

If saving weight is your priority, the Arc'teryx Helium Jacket wins — at 162 g it is 58 g (26%) lighter than the Black Diamond Stormline Stretch Rain Shell (220 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.

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