Arc'teryx Atom Jacket vs Patagonia Nano Puff Hoody
Weight and specs compared for 2026 — and which one to choose.
Insulated mid-layer with Coreloft Compact synthetic fill and stretch panels. PFAS-free DWR finish (2025). Versatile for active use in cold wet conditions.
PrimaLoft Gold synthetic insulated hoody that stays warm when wet. Compresses into its own pocket for easy packing on variable-weather mountain hikes.
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 Jacket vs Patagonia Nano Puff Hoody: which should you buy?
If saving weight is your priority, the Arc'teryx Atom Jacket wins — at 335 g it is 16 g (5%) lighter than the Patagonia Nano Puff Hoody (351 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.