The Nike Sportswear Tech Fleece AeroLoft Men's Down Bomber Jacket features breathable insulation, engineered fleece and a water-repellent finish for complete cold-weather protection. Chest pocket and front pockets. Fabric: Body/lining/centre opening trim fill: 100% polyester. Panels: 78% cotton/16% polyester/6% elastane. Fill: minimum 90% goose down.