UA Storm technology repels water without compromising breathability. Soft, breathable double-knit fabric provides warmth without extra bulk for superior comfort and mobility. Strategic 80g synthetic insulation for extra warmth where you need it. Secure zippered hand pockets with soft tricot lining to keep hands warm, inner chest pocket with zipper. Ties on the hood, cuffs and bottom hem for a firm fit. It uses a fluorine-free water-repellent treatment.