Only wore one winter! The perfect warmth for just about everything, thus classic Down Jacket is lightweight and windproof with a shell made of NetPlus® 100% postconsumer recycled nylon ripstop made from recycled fishing nets to help reduce ocean plastic pollution, and insulated with 800-fill-power 100% Responsible Down Standard down certified by Control Union (CU 880272). The purchase of Responsible Down Standard certified products demonstrates demand for better animal welfare practices in the down and feather supply chain. Such a great jacket that is environmental friendly!!!