Ultralight warmth that won't quit when conditions get wet. This 185g powerhouse packs into its own pocket and delivers reliable core heat for every mountain adventure.
When the forecast calls for uncertainty but your adventure plans are set in stone, the Arc'teryx Atom Vest delivers the core warmth and versatility that active women demand. Built with Coreloft™ 60 synthetic insulation, this technical vest maintains its thermal performance even when conditions turn wet, making it the reliable choice for everything from dawn patrol ski tours to multi-pitch climbing routes where weather can shift in an instant. At just 185g, it disappears into your pack when the sun breaks through, thanks to its ingenious design that stuffs into its own chest pocket with carabiner clip attachment. The stretch fleece side panels provide crucial ventilation during high-output moments while maintaining core warmth, ensuring you stay comfortable whether you're wearing it as a standalone piece on crisp fall hikes or layering it under a shell for winter touring adventures.
Features
Coreloft™ synthetic insulation maintains warmth even when wet
Packs into internal chest pocket with carabiner clip for compact storage
Stretch fleece side panels provide ventilation during high-output activities
No Slip Zip™ front closure prevents zipper failure
Dual hem adjusters seal out drafts in cold conditions
Hidden-zip hand pockets secure essentials
Articulated patterning allows unrestricted movement
