The North Face Aconcagua Jacket - Men's Burnt Olive Green Medium Insulated jacket provides reliable warmth on its own or when layered bluesign&reg; approved Fabric: Shell: 40D x 50D 53% recycled polyester, 47% polyester ripstop Insulation: Body and Sleeve: 550 fill goose down; Shoulder and Pocket: 100 g Heatseeker&trade; Weight: 500 g (17.64 oz)