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Arc'teryx Atom Hoody vs Arc'teryx Atom Jacket

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

Arc'teryx Atom Jacket is the lighter option — 20 g lighter than the Arc'teryx Atom Hoody (6% less weight). If grams matter to you, that is the one to beat.
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Spec Arc'teryx Atom Hoody Arc'teryx Atom Jacket
Weight 355 g · 0.355 kg · 0.78 lb
as listed, no size stated on page (men's)
335 g · 0.335 kg · 0.74 lb
as listed, no size stated on page (men's)
Brand Arc'teryx Arc'teryx
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.

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Arc'teryx Atom Jacket
335 g

Insulated mid-layer with Coreloft Compact synthetic fill and stretch panels. PFAS-free DWR finish (2025). Versatile for active use in cold wet conditions.

See it in your base weight → Full details →

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Arc'teryx Atom Hoody vs Arc'teryx Atom Jacket: which should you buy?

If saving weight is your priority, the Arc'teryx Atom Jacket wins — at 335 g it is 20 g (6%) 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