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Arc'teryx Gamma Lightweight Hoody vs Black Diamond Coefficient Fleece Hoody

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

Arc'teryx Gamma Lightweight Hoody is the lighter option — 129 g lighter than the Black Diamond Coefficient Fleece Hoody (33% less weight). If grams matter to you, that is the one to beat.
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Spec Arc'teryx Gamma Lightweight Hoody Black Diamond Coefficient Fleece Hoody
Weight 261 g · 0.261 kg · 0.58 lb 390 g · 0.390 kg · 0.86 lb
Brand Arc'teryx Black Diamond
Category Clothing - Mid Layer Clothing - Mid Layer
Arc'teryx Gamma Lightweight Hoody
261 g

Ultralight softshell mid-layer at 9.2 ounces. Windproof and breathable without insulation, designed for active outdoor pursuits requiring minimal weight.

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Black Diamond Coefficient Fleece Hoody
390 g

Grid-back fleece hoody for active mid-layer warmth.

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Arc'teryx Gamma Lightweight Hoody vs Black Diamond Coefficient Fleece Hoody: which should you buy?

If saving weight is your priority, the Arc'teryx Gamma Lightweight Hoody wins — at 261 g it is 129 g (33%) lighter than the Black Diamond Coefficient Fleece Hoody (390 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.

More clothing - mid layer comparisons