WARM YOUR WINTER: The Heated Trapper Hat is designed for people with headaches in cold weather. It is also perfect for outdoor activities such as hiking, climbing, skiing, ice fishing, camping, biking, walking and working in the cold winter months APPLICABLE FOR EVERYONE:The battery heated cap is designed for one size fits the vast majority of recognized. It is designed to cover and heat the entire ear. (It can be tightened by the button in the center) It is suitable for both men and women. It is the perfect gift choice for family and friends this coming Christmas COMFORTABLE WEARING EXPERIENCE: The battery rechargeable heating cap is designed with a faux fleece inner layer and polyester fiber outer layer. Built-in ultra-fine carbon fiber heating panels are strategically placed over the ears. Quickly warms up and keeps you warm in less than 1 minute ADJUSTABLE HEAT: Adjust the level of warmth to your preference with one-touch adjustable heat. The heat trapping cap allows you to customize the temperature to your comfort preferences and weather conditions, ensuring you stay warm without overheating BUY WITH CONFIDENCE: Built-in thermal protection module. Once overheated, the cap stops heating until the temperature returns to standard, making it 100% safe to use. We are confident that you will be impressed with our products and quality service, but if you have any questions or concerns, please feel free to contact us