The Arc&';teryx Atom SV Jacket is a go-to insulated layer built for high-output pursuits in cold conditions. Whether you&';re hiking through windy alpine forests, climbing at the crag, or touring in unpredictable winter weather, this jacket offers reliable warmth and adaptability. It features Coreloft synthetic insulation that maintains thermal performance even when damp-making it an excellent alternative to down during intense, variable activities. Worn as a standalone in mild conditions or as a midlayer in harsher environments, the Atom SV delivers premium performance, lightweight warmth, and the durability you need for year-round adventure. Features: Coreloft Synthetic Insulation: Warm, lightweight, and retains heat even when wet. Durable Tyono 30 Shell: Wind-resistant and treated with DWR for light weather protection. Breathable Side Panels: Improve ventilation and mobility during high-output movement. Streamlined Fit: Designed for layering under shells or over base layers. Adjustable Hem and Cuffs: Seal in warmth and block out drafts. Versatile Use: Ideal as an outer layer in cool weather or a midlayer in alpine and wet conditions.