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Arc'teryx Cerium SL Down Jacket vs Black Diamond Deploy Down Jacket

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

Black Diamond Deploy Down Jacket is the lighter option — 85 g lighter than the Arc'teryx Cerium SL Down Jacket (36% less weight). If grams matter to you, that is the one to beat.
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Spec Arc'teryx Cerium SL Down Jacket Black Diamond Deploy Down Jacket
Weight 235 g · 0.235 kg · 0.52 lb 150 g · 0.150 kg · 0.33 lb
Brand Arc'teryx Black Diamond
Category Clothing - Mid Layer Clothing - Mid Layer
Arc'teryx Cerium SL Down Jacket
235 g

Ultralight down jacket at 8.3 ounces with exceptional packability.

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Black Diamond Deploy Down Jacket
150 g

Ultra-packable 800-fill down jacket at just 5.3 oz. Water-repellent DWR shell, helmet-compatible hood. Excellent warmth-to-weight ratio for shoulder-season and...

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Arc'teryx Cerium SL Down Jacket vs Black Diamond Deploy Down Jacket: which should you buy?

If saving weight is your priority, the Black Diamond Deploy Down Jacket wins — at 150 g it is 85 g (36%) lighter than the Arc'teryx Cerium SL Down Jacket (235 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 - mid layer page, or browse the full gear weight database.

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