Note: Battery not included. KEEP YOUR BODY WARM – The heating thermal underwear uses graphene heating fiber, which generates heat quickly, is elastic, and has a long service life. The inner fleece lining is close-fitting and soft, providing three-layer heat preservation and circulating heat storage. SAFETY PERFORMANCE – The heating underwear is equipped with heating pads made of high-quality carbon fiber that heat up quickly, warming the core of the body and keeping you comfortable in cold winter conditions. TEMPERATURE CONTROL – The heated underwear features an intelligent controller with a 5-speed temperature control button for easy operation, allowing you to adjust the heating level according to the environment. BREATHABLE AND COMFORTABLE – Made from cotton and spandex, the heated thermal underwear offers a soft, breathable, skin-friendly, and lightweight fabric that feels smooth and comfortable, fits the body well, and allows freedom of movement during winter activities. INDOOR AND OUTDOOR USE – These heated pants are suitable for home wear and ideal for winter outdoor sports and activities such as hiking, jogging, cycling, motorcycling, fishing, skiing, and outdoor work. A great gift choice for elderly individuals, partners, or friends. Perfect for holiday gifting. Our products are made with high-quality materials and designed to deliver a reliable and comfortable user experience. Please refer to the product title and description for detailed information on features, specifications, size, and dimensions to ensure proper fit. For any questions or concerns, feel free to reach out for support. Thank you for choosing our product—we hope you enjoy it.