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Patagonia Down Sweater vs Rab Mythic Ultra Jacket

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

Patagonia Down Sweater is the lighter option — 137 g lighter than the Rab Mythic Ultra Jacket (26% less weight). If grams matter to you, that is the one to beat.
Spec Patagonia Down Sweater Rab Mythic Ultra Jacket
Weight 400 g · 0.400 kg · 0.88 lb 537 g · 0.537 kg · 1.18 lb
Brand Patagonia Rab
Category Clothing - Mid Layer Clothing - Mid Layer
Patagonia Down Sweater
400 g

800-fill down jacket with recycled shell fabric.

Full details →
Rab Mythic Ultra Jacket
537 g

Premium ultralight down jacket with 900FP hydrophobic down and TILT zoned insulation in a lightweight Atmos shell, built for cold alpine conditions.

Check price Full details →

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Patagonia Down Sweater vs Rab Mythic Ultra Jacket: which should you buy?

If saving weight is your priority, the Patagonia Down Sweater wins — at 400 g it is 137 g (26%) lighter than the Rab Mythic Ultra Jacket (537 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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