Specifications:  Item Name: Smart Heating Pants;  Fabric: Slub Cotton;  Lining: Mink cashmere;  Color: Black;  Size: S/M/L/XL/2XL/3XL/4XL/5XL;  (Please do check the size before purchasing.)     Features:  Smart heating pants to give you a warm winter.  3 gear to control temperature: 25degree Celsius - 35degree Celsius - 45 degree Celsius.  Far infrared heating technology. 2pcs carbon fiber heating sheet to provides wonderful temperature.  Carbon fiber heating wire, fireproof, heat-resistant, and the wire is not easily be broken.  High quality material to prevent cold and keep warm.  Can be washed by machine or hand.  Zipper pocket on both sides.  Drawstring design.  Switch button for easy operation.  USB interface.     Note:  Due to different producing batches, product details might be a little different. If you minding the difference, please buy it carefully.  Please allow 1-3CM differs due to manual measurement.  Due to the different display and different light, the picture may not reflect the actual color of the item. Thanks for your understanding.     Package Included:  1 X Heating Pants.