HIGH QUALITY FABRIC: Made from a spandex and cotton blend, folded over the fabric and tightly sewn. Super comfortable and soft, giving you a stylish and timeless experience. Not only as thermal pants but also as stylish looking pants. WINTER CARE: Heated pants can combat cold weather and protect your legs from the cold. Helps promote blood circulation, enhance metabolism, reduce muscle stiffness, and keep the body warm. Design highlights: 3 levels of adjustable temperature, 5V safety voltage. Easy to style and suitable for many occasions: these black trousers can be paired with a stylish jacket, sweater, sweatshirt or heated vest. Suitable for outdoor activities, hunting, skiing, fishing, motorcycles, bicycles, camping, mountain climbing, outdoor attendance, daily office work, etc. A perfect gift for your elders, loved ones or friends.