Shell: Highly water-resistant UA Storm technology repels rain and snow for all-weather wear. ColdGear Infrared lining uses a unique ceramic coating that seeks, absorbs, and retains body heat to keep you warmer, longer. Soft and durable 2-layer shell with drop liner. Component Jacket: Zip-in interchange system with hook and loop at cuffs and neck. Full zip front with standup collar. Extreme ColdGear fabric with brushed fleece face and high-loft Sherpa lining. Shell: Polyester. Lining: Polyester. Component: 9.52oz Polyester.