evo.com | Arc'teryx Insulated Jackets > The Arc'teryx Atom Jacket returns with its iconic blend of warmth, breathability, and packability that's made it the gold standard for synthetic insulation. Built with ultralight yet durable Tyono 20(TM)face fabric and Coreloft(TM) insulation that perform in wet conditions and withstand daily abuse, this jacket has earned its reputation as the go-to choice that skiers, climbers, and mountaineers trust on and off the mountain. Coreloft(TM) 60 Synthetic Insulation Warm, resilient 100% recycled Coreloft(TM) 60 synthetic insulation provides thermal performance and retains loft. Fitted with Articulated Patterning 20D Recycled Nylon One Internal Zippered Pocket Tyono 20(TM) 100% Nylon | Women's Arc'teryx Atom Jacket 2026 - Small Black | Nylon