Arc'teryx Atom Hoody vs Patagonia Nano-Air Ultralight Pullover
Weight and specs compared for 2026 — and which one to choose.
Versatile synthetic insulated hoody with Coreloft Compact insulation. Excellent moisture resistance and packability; ideal as standalone or layering piece.
Active insulation pullover with 20g FullRange synthetic fill and breathable side panels. Ideal for high-output hiking in cool-to-cold conditions.
Building a pack? Add either one to your HikeLoad list, or drop its weight into the base weight calculator, and see what it does to your total weight.
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Arc'teryx Atom Hoody vs Patagonia Nano-Air Ultralight Pullover: which should you buy?
If saving weight is your priority, the Patagonia Nano-Air Ultralight Pullover wins — at 249 g it is 106 g (30%) 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.