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Patagonia Nano Puff Jacket vs Rab Microlight Alpine Down

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

Patagonia Nano Puff Jacket is the lighter option — 1 g lighter than the Rab Microlight Alpine Down (0% less weight). If grams matter to you, that is the one to beat.
Spec Patagonia Nano Puff Jacket Rab Microlight Alpine Down
Weight 341 g · 0.341 kg · 0.75 lb 342 g · 0.342 kg · 0.75 lb
Brand Patagonia Rab
Category Clothing - Mid Layer Clothing - Mid Layer
Patagonia Nano Puff Jacket
341 g

PrimaLoft insulated jacket. Packable and water-resistant.

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Rab Microlight Alpine Down
342 g

750-fill down jacket with Pertex Quantum shell.

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Patagonia Nano Puff Jacket vs Rab Microlight Alpine Down: which should you buy?

If saving weight is your priority, the Patagonia Nano Puff Jacket wins — at 341 g it is 1 g (0%) lighter than the Rab Microlight Alpine Down (342 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