Arc'teryx Atom Insulated Hoody vs Fjallraven Nuuk Insulated Parka

These are different tools. The Atom Hoody is a light, packable midlayer for active days, while the Nuuk is a long, waterproof winter parka for standing around in cold, wet weather. The Atom's Coreloft 60 insulation and 370 g weight make it a layer, not a standalone winter coat. The Nuuk's 250 g/m² fill, 10,000 mm water column and thigh-length cut make it a proper cold-weather shell. Owners of the Atom praise its warmth-to-weight and breathability; Nuuk owners value its weather protection and pocket count, though many find it heavy and bulky.

• Choose the Arc'teryx Atom Hoody if you want a light, breathable insulated layer for hiking, climbing or everyday wear under a shell.
• Choose the Fjallraven Nuuk Parka if you need a long, waterproof winter coat for cold, wet commutes and outdoor time in real winter.