THE NORTH FACE ThermoBall Jacket

ThermoBall women’s full-zip jacket offers ultralight, highly packable synthetic insulation for downlike warmth that insulates even when wet. Thermoball insulation offers warmth equal to 600-fill-power goose down and it retains 80% of its insulating power even when dampened by rain, humidity or sweat, so you’ll continue to stay warm. Super-lightweight construction. NWOT woman’s size medium.