Arc'teryx Atom Jacket - Men's Base Layer Fold the arms over each

Fold the arms over each other on the jacket's torso

Bow and stern foam bulkheads

All Genders Sizing

Coldcell Flex™ Insulation

Molded to match the contours of your foot

Arc'teryx Atom Jacket - Men's Base Layer Fold the arms over eachThe Arc'teryx Atom Jacket is a versatile synthetic insulated layer built for hiking, climbing, skiing, travel, and everyday wear. Combining lightweight warmth, breathable comfort, and weather resistant performance, it is the jacket you can rely on across changing conditions and multiple seasons. The hoodless design layers easily under a shell while maintaining a clean, streamlined look for daily use. Insulated with Coreloft synthetic insulation, the