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Arc'teryx Atom Hoody vs Montbell U.L. Thermawrap 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 Atom Hoody Montbell U.L. Thermawrap Jacket
Weight 355 g · 0.355 kg · 0.78 lb
as listed, no size stated on page (men's)
 227 g · 0.227 kg · 0.50 lb
Brand Arc'teryx Montbell
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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Montbell U.L. Thermawrap Jacket
227 g

Ultralight synthetic Exceloft insulated jacket with 15D Ballistic Airlight nylon shell, highly packable for cool weather.

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Arc'teryx Atom Hoody vs Montbell U.L. Thermawrap 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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