Arc'teryx Women's Atom Jacket - Winter 2025/2026

Breathable midlayer hybrid-insulated jacket for all-mountain activities. The Atom is the ultimate outdoor kit essential, delivering reliable, breathable warmth for chilly alpine starts and unexpected summit squalls. Built with lightweight Coreloft insulation that won&';t pack out (even after years of wear) and stretchy fleece side panels, it traps and dumps heat strategically. Slide it under a hardshell for a clutch layering system that&';ll keep you warm, even if it gets wet. Updated with recycled Coreloft(TM) insulation and DWR (Durable Water Repellent) free from intentionally added PFAS.