Stay warm, move freely, and layer effortlessly with the Arc&';teryx Atom Women&';s Vest. Designed for dynamic outdoor activity and everyday comfort, this versatile vest delivers lightweight synthetic insulation and breathable performance. Whether worn as a standalone piece or a midlayer under a shell, it offers the perfect balance of warmth and mobility. Featuring Coreloft Compact insulation and a stretch fleece side panel, the Atom Vest keeps you agile and comfortable in changing conditions. Ideal for hiking, commuting, or travel, this is your go-to layer for active lifestyles. Features: Lightweight & Warm - Coreloft Compact synthetic insulation provides efficient warmth without bulk. Versatile Layering - Ideal as a standalone vest or a breathable midlayer under a shell. Streamlined Fit - Trim fit offers enhanced mobility and easy layering under jackets. Durable & Weather-Resistant - Tyono 20 face fabric is wind- and moisture-resistant. Mobility-Enhancing Design - Stretch fleece side panels ensure breathability and a comfortable range of motion. Updated Style - Previously known as the Atom LT Vest, now refined with a modern look and improved materials. Packable & Travel-Ready - Compresses easily for convenient storage in your backpack or luggage.