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Patagonia Nano Air Light Vest vs Rab Cirrus Flex 2.0 Jacket

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

Patagonia Nano Air Light Vest is the lighter option — 97 g lighter than the Rab Cirrus Flex 2.0 Jacket (33% less weight). If grams matter to you, that is the one to beat.
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Spec Patagonia Nano Air Light Vest Rab Cirrus Flex 2.0 Jacket
Weight 198 g · 0.198 kg · 0.44 lb 295 g · 0.295 kg · 0.65 lb
Brand Patagonia Rab
Category Clothing - Mid Layer Clothing - Mid Layer
Patagonia Nano Air Light Vest
198 g

Ultra-lightweight synthetic vest at 7 oz. Perfect layering piece for minimal weight.

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Rab Cirrus Flex 2.0 Jacket
295 g

Synthetic insulated jacket for damp conditions.

Full details →

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Patagonia Nano Air Light Vest vs Rab Cirrus Flex 2.0 Jacket: which should you buy?

If saving weight is your priority, the Patagonia Nano Air Light Vest wins — at 198 g it is 97 g (33%) lighter than the Rab Cirrus Flex 2.0 Jacket (295 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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