The Arc'teryx Atom SV Hoody is a heavy-duty insulated jacket designed for extreme alpine conditions. It features highly weather-resistant Proloft synthetic insulation combined with a durable, waterproof, and windproof outer shell to provide maximum protection against harsh elements. The articulated patterning and stretch panels enhance mobility and breathability, ensuring comfort during strenuous activity. Engineered for serious mountaineering and backcountry expeditions, this hoody delivers robust warmth and reliable performance when you need it most.