100% Polyester. This jacket features Hydrafort, Peached, Soft Touch, and Symmetry Fleece fabric, with a Mesh lining. It is designed to be plain and offers waterproof and windproof technology. Key features include a 3-in-1 design, anti-pilling properties, a removable fleece, a shockcord hem, and taped seams. The cuffs are adjustable, and it has long sleeves. The neckline is a standing collar with a zip neck. The jacket style is 3-in-1, and the hood is adjustable, concealed, and grown on. It has a shaped fit and two lower zip pockets. The fastening is a full zip with hook and loop fasteners and a stormflap. The waterproof rating is 5000mm.