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Arc'teryx Atom Hoody vs Rab Xenair Alpine Light Jacket

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

Rab Xenair Alpine Light Jacket is the lighter option — 45 g lighter than the Arc'teryx Atom Hoody (13% less weight). If grams matter to you, that is the one to beat.
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Spec Arc'teryx Atom Hoody Rab Xenair Alpine Light Jacket
Weight 355 g · 0.355 kg · 0.78 lb
as listed, no size stated on page (men's)
310 g · 0.310 kg · 0.68 lb
men's M
Brand Arc'teryx Rab
Category Clothing - Mid Layer Clothing - Mid Layer
Arc'teryx Atom Hoody
355 g

Versatile synthetic insulated hoody with Coreloft Compact insulation. Excellent moisture resistance and packability; ideal as standalone or layering piece.

See it in your base weight → Full details →
Rab Xenair Alpine Light Jacket
310 g

Stretch synthetic insulated jacket with Stratus PrimaLoft and a wind-resistant face, made for active mountain layering.

See it in your base weight → Full details →

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Arc'teryx Atom Hoody vs Rab Xenair Alpine Light Jacket: which should you buy?

If saving weight is your priority, the Rab Xenair Alpine Light Jacket wins — at 310 g it is 45 g (13%) lighter than the Arc'teryx Atom Hoody (355 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