This polar fleece heated vest is designed to be worn as a mid-layer under a jacket. It features double-sided polar fleece for enhanced warmth, offering outstanding comfort, wind resistance, and cold protection. The silent polar fleece ensures hunters remain undetected. With 4 Carbon Nanofiber heating zones and up to 10 hours of heating, this vest provides lasting warmth for hunting, ice fishing, ice hockey, and outdoor work. Enjoy reliable warmth and comfort in any setting with this essential piece of gear.