This is the 2025 model of the Arc'teryx Atom Hoody. The Atom Hoody is the perfect solution when you're unsure which jacket to wear. It can be worn on its own for cool forest hikes on windy mountain peaks, rock climbing, or relaxing at a campsite, or as a mid-layer for touring or in wet winter environments. The 60gsm Coreloft™ insulation is breathable, warm, and lightweight, and maintains performance even in light rain, making it a versatile alternative to down for high-output activities throughout the year. Changes: Updated with FC0 DWR treatment, reducing carbon emissions. Size: L Brand new, with tags.