Features: 1. Machine washable, not easy to deform, not easy to fade, not easy to shrink, it is recommended to wash gently. 2. The fabric is upgraded, the high resilience does not pick up the body shape, and the different fleece is light, thin, warm, delicate, breathable, and sweat-absorbing. 3. Far-heating, 6 heating areas, keep the whole body warm, carbon fiber heating wire provides a balanced heat temperature, 3 heating areas for tops, 3 heating areas for pants. 4. Three-speed temperature control, long press for 3 seconds to turn on, after the switch is activated, lightly press to change gears, and adjust the gears anytime, anywhere. 5. High-quality fabrics lock in temperature, fleece lining, elasticity, and heat storage to keep warm. Specification: Name: Electric heating constant temperature thermal underwear suit Fabric: Shell: 95% cotton 5% spandex Inner layer: 90% polyester 10% spandex Product List: Electric heating constant temperature warm top *1 Electric heating constant temperature warm pants *1 Note: 1. Due to the color temperature of the display, camera, ambient light, and photography skills, the pictures of some products may have a slight color difference, and the color is subject to the actual product! 2. Please allow slight size differences due to different manual measurements. See more product details 1.Comfortable Material: Our thermal underwear is made of comfortable and breathable cotton fabric with fleece inside, which is war 2.Heating Settings: This USB rechargeable underwear, one-button intelligent heating, 3-level temperature control, and fast heating 3.6 Heating Zones: This electric heating underwear is designed with 6 heating zones to provide a steady stream of heat to your abd 4.Machine Washable: Use our men's thermal underwear without worrying about washing, it is not easy to deform, fade or shrink, and 5.Wide Range of Uses: This smart heating underwear provides long-lasting warmth in cold winters, suitable for camping, hiking, hun _x000D_