This jacket comes in two removable layers for maximum flexibility. The outer shell cane be worn as a rain jacket, and the inner insulating layer can be worn alone on chilly fall days. The two layers zip together for heavy winter weather and snow sports. You'll only need this one jacket for anything you'll need to be ready for. For bell-to-bell comfort and versatility, this fully featured H2No Performance Standard 2-layer jacket is insulated with Thermogreen® polyester, has an articulated fit for freedom of movement and a smooth taffeta liner for ease of layering. 2-layer H2No® Performance Standard shell fabrics are completely waterproof, windproof and breathable. It comes in four colors. Patagonia is a leader in sustainability, and carries items made from organic cotton and recycled plastics. Their founder started 1% for the Planet and Patagonia continues to try to create a more sustainable world.