WOMEN’S ACONCAGUA VEST. The Aconcagua Down Jacket is named after the highest peak in the Western Hemisphere. • Weight | 520g • Fabric | 40D x 55D 49g/m² WindWall™—100% nylon with durable water-repellent (DWR) finish • Down insulation | 550 fill goose down in body; certified to the Responsible Down Standard (RDS) by Control Union • Synthetic insulation | 150g • Highly wind resistant • Brushed chin-guard lining • VISLON® front zip • Secure-zip hand-warmer pockets • Embroidered logo on left chest and back right shoulder