Nuclei SV Parka Women's is a Coreloft™ insulated belay jacket designed for climbing, built as a packable synthetic belay parka that delivers high warmth for serious cold. Product Type: Women’s Coreloft™ insulated belay jacket Material: Coreloft™ Our warmest Coreloft™ insulated belay jacket Arato™ 15 shell is breathable, windproof, and repels light moisture Helmet compatible StormHood™ plus three external and two internal pockets For a practical cold-weather climbing kit, pair with a beanie and add a women's climbing pants . Serious cold requires serious warmth. Packable, light, and efficient, the Nuclei SV is our warmest synthetically insulated belay parka. Varying layers of Coreloft™ insulation are strategically placed to provide maximum warmth while keeping weight down, and the light, tough Arato™ 15 shell is breathable, windproof, and repels light moisture. Three external and two internal pockets keep essentials at hand, and the helmet compatible StormHood™ protects without impeding vision.