Features: Designed for cold weather: Designed with the latest carbon fiber and imported high-quality heating elements. Radiant heating technology and a portable battery provide even heating effect regardless of the temperature, making you feel comfortable and warm. Tailored fit and perfect for many occasions: Lightweight insulation so that you can wear them in any way with unrestricted mobility; water and wind resistant and cold resistant. An ideal and warm choice for family members, friends and employees to enjoy outdoor activities in cold and chilly climates. Health-care heating pants: Helps promote blood circulation and relieve muscle pain. Best gift for parents, family or partner. Comfortable and skin-friendly: Constant temperature heat collection system reduces the generation of static electricity. Machine washable: Can be machine washed and hand washed, suitable for cold winter. The product must be connected to a mobile power source to generate heat. Note: The actual color may be slightly different from the picture due to different monitors and lighting effects. Please allow 1-3cm deviation due to manual measurement. Asian size is smaller than EU/US/UK size, please compare the detail sizes with yours before purchasing. Length: pants Suitable season: winter Material: nylon Color: Black Function: Keep warm Applicable object: neutral Waist type: mid-waist Size: as shown in the picture Contains: 1x Pants About shipping: All items will be shipped within 3 business days after payment is received. Usually you will receive them within 8-12 days thereafter. The specific delivery time depends on the circumstances. Any questions, please feel free to contact us. During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours, wish you a pleasant shopping. Thank you for your cooperation, we will make you satisfied.