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Montbell Plasma 1000 Down Jacket vs Patagonia R1 Fleece Jacket

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

Montbell Plasma 1000 Down Jacket is the lighter option — 121 g lighter than the Patagonia R1 Fleece Jacket (40% less weight). If grams matter to you, that is the one to beat.
Spec Montbell Plasma 1000 Down Jacket Patagonia R1 Fleece Jacket
Weight 185 g · 0.185 kg · 0.41 lb 306 g · 0.306 kg · 0.67 lb
Brand Montbell Patagonia
Category Clothing - Mid Layer Clothing - Mid Layer
Montbell Plasma 1000 Down Jacket
185 g

Ultralight 1000-fill down jacket. Among the lightest available.

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Patagonia R1 Fleece Jacket
306 g

Midweight fleece jacket made from Polartec Powergrid (93% recycled polyester, 7% spandex). Excellent breathability and moisture management for aerobic hiking. M...

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Montbell Plasma 1000 Down Jacket vs Patagonia R1 Fleece Jacket: which should you buy?

If saving weight is your priority, the Montbell Plasma 1000 Down Jacket wins — at 185 g it is 121 g (40%) lighter than the Patagonia R1 Fleece Jacket (306 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