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Arc'teryx Gamma Lightweight Hoody vs Montbell Plasma 1000

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

Montbell Plasma 1000 is the lighter option — 122 g lighter than the Arc'teryx Gamma Lightweight Hoody (47% less weight). If grams matter to you, that is the one to beat.
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Spec Arc'teryx Gamma Lightweight Hoody Montbell Plasma 1000
Weight 261 g · 0.261 kg · 0.58 lb 139 g · 0.139 kg · 0.31 lb
Brand Arc'teryx Montbell
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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Montbell Plasma 1000
139 g

Ultralight down jacket with 1000-fill goose down. Men's weighs just 139g with exceptional warmth-to-weight.

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Arc'teryx Gamma Lightweight Hoody vs Montbell Plasma 1000: which should you buy?

If saving weight is your priority, the Montbell Plasma 1000 wins — at 139 g it is 122 g (47%) lighter than the Arc'teryx Gamma Lightweight Hoody (261 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