Features: Experience the warmth with our 30 zone Heated Thermal Underwear Set, featuring high efficiency heating technology for significant warmth. ( powerbank is not included). Crafted from a soft and comfortable blended fabric, this thermal set includes adjustable temperature controller for heat settings, ensuring your comfort. Suitable for residents of cold regions, outdoor sports enthusiasts, and professional who spend extended periods in low temperature environment, our heated apparel caters to a various audience. Whether you are skiing down slopes, scaling mountains, or camping in the winter wilderness, this heated underwear set is your perfectly equipment for any cold weather adventure. Embrace the cold season with confidence; our heated thermal set not only keep you warm but also supports your active lifestyle. Specifications: Material:Polyester Color:Black,Gray Size:M/L/XL/XXL/XXXL/XXXXL/XXXXXL(Chinese size ,follow the size chart to select please) Package Includes: 1Set Electric Heating Underwear note: Please allow 1mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color of the item.