The Atom range is a pillar of the Arc’teryx offering. The Atom Lightweight Vest is a versatile and lightweight piece which is highly packable. Perfect layering piece for keeping your core warm utilising a Coreloft™ fill, it’s a truly versatile piece. Revised with an updated fabric which adds softness and comfort.Not available for shipping outside of the UK and EU. (Excluding DE) Arc'teryx Women's Atom Lightweight Vest - Serene