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Arc'teryx Proton LT Hoody vs Rab Cirrus Flex 2.0 Jacket

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

No winner on weight yet. The recorded weights have not both been verified on the same basis. Size, included parts and single-item versus pair weights can differ. Check the linked sources before choosing a replacement.

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Spec Arc'teryx Proton LT Hoody Rab Cirrus Flex 2.0 Jacket
Weight 285 g · 0.285 kg · 0.63 lb 295 g · 0.295 kg · 0.65 lb
Brand Arc'teryx Rab
Category Clothing - Mid Layer Clothing - Mid Layer
Arc'teryx Proton LT Hoody
285 g

Synthetic insulated hoody with excellent moisture management.

See it in your base weight → Full details →
Rab Cirrus Flex 2.0 Jacket
295 g

Synthetic insulated jacket for damp conditions.

See it in your base weight → Full details →

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Arc'teryx Proton LT Hoody vs Rab Cirrus Flex 2.0 Jacket: which should you buy?

The listed weights alone are not enough to choose between these products. Confirm the size, included parts and weight basis against each source; choose equipment for the function and fit you need.

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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