Under Armour Women's ColdGear Infrared Alpinlite Jacket Soft and super-durable construction packs into its own pocket for quick storage. Highly water-resistant UA Storm technology repels rain and snow for all-weather wear. Incredibly light PrimaLoft insulation delivers extreme breathability, warmth, and water-resistance. Built-in ColdGear cuffs cover your hands for extra warmth and protection. Shell: Polyester. Lining: Polyester. Insulation: PrimaLoft (100g Body/60g Side & Sleeves).