UA Storm technology repels water without compromising breathability.Armour Fleece is lightweight, breathable, elastic, warm and yet allows you to move.The soft inner layer traps warmth, for a warm and comfortable feeling.Strategic 80g synthetic insulation for warmth without excess bulk.Secure zip pockets.Practical front 1/2 zip for easier dressing/undressing.It uses a fluorine-free water-repellent treatment.The main fabric contains at least 90% recycled polyester, excluding hems and details.