Why our Heated Vest? Heated Vest is made of high-quality fabric and heated carbon fiber. It has a built-in thermal protection module. In the event of overheating, it will stop heating until the heat returns to standard temperature, giving you peace of mind. Features: Premium Heat Technology Includes Certified Rechargeable 7.4V Battery 3 Heat settings (High, Med, Low) with touch of a button Ultra warmth of 130°+ F We suggest sizing up 1-2 sizes for a relaxed fit Made with polyester and soft lining Battery lasts all day Machine Washable Choose desired temperature Highest quality material Great gift for a loved one Long-lasting warmth Lightweight and waterproof material Comfortable and skin-friendly Weston Store Men's Upgraded Heated Vest