Features 1、Safety: Electric heated thermal underwear set operates on a safe 5V low voltage power supply, ensuring complete safety during use. You can wear it without worrying about high voltage risks, making it a safe choice for cold weather activities and outdoor adventures. 2、Rapid Heating: Utilizing advanced heating technology, this ensemble quickly reaches optimal warmth in just a short time. Our heated thermal underwear will keep you cozy and comfortable, allowing you to enjoy your activities without interruption. 3、Comfortable: Electric thermal long underwear set is comfortable, breathable, soft, and designed to last through various activities. Experience long lasting warmth without sacrificing comfort, ensuring you stay active and engaged even in freezing temperatures. 4、Ideal for Outdoor Sports: Designed specifically for outdoor enthusiasts, this heated thermal underwear set is suitable for activities like hiking, skiing, and other winter sports. Its efficient heat retention and comfort make it an essential gear for staying warm. 5、Stylish and Minimalist: It combines functionality with a modern aesthetic. Suitable for personal use or as a thoughtful present for friends and family. Stay warm while looking effortlessly fashionable. Specifications Item Type: Heated Thermal Underwear Set Material: Heating Fiber Weight: Approx. 935.00g / 32.98oz Voltage: 5V Levels: 3 Levels (35-60°C) Washable: Yes Multi Zone Heating: The pants are heated at the knees, thighs and hips, and the top is heated on all sides. Package List 1 x Heated Thermal Underwear Top 1 x Heated Thermal Underwear Bottom