Description Application skiing, snowboarding, snowshoeing, snowmobiling, hunting, ice fishing, sledding, motorcycle, cycling, shoveling, working outside. Advantage 1. Premium Material - Soft shell fabric exterior and breathable liner ensure you don't lose any excess heat and enjoy comfortable warmth wearing this heated clothes2. 3 carbon fiber heating elements are generated in the core area of the body (left and right chest, middle back)3. Waterproof and Machine Washable - Waterproof and windproof material can protect you from water, wind, rain, snow.4. Composite carbon fiber will not cause burns due to leakage or sudden rise in temperature.