High-Quality Materials: Blends Warmth with Comfort, Shell: Cotton polyester fabrics. Inside: flannelette and Carbon fiber element.(POWER BANK NEED TO BE PURCHASED SEPARATELY) A safe Heating pants: Adjustable 3 temperature modes (Red Light: High-Temperature Mode, White Light: Medium Temperature Mode, Blue Light: Low indicated light); Built-in 8 Pieces of Carbon fiber heating sheet. Heated pants for men Fashion: These trousers are very warm, thick and fleece, can also Heat Up. And It won't be clumsy. It can resist cold weather and protect the legs from the cold. We did not provide a removable battery but designed a USB cable. Easy to Use and Clean: ①Connect to Power Bank. ②Press the power switch for 3 seconds, the RED light would blink, Start Heating. ③Choose the Mode: Adjustable Temperature Modes.④Press the switch for 3 seconds to turn off. When cleaning, please remember to remove the power bank; Machine washable. Occasion: The men's heated pants are the Best Warm choice. Especially on the Occasion of Outdoor work, Skiing, hiking, golf, climbing, traveling, cycling, walking, casual and others. We only adopt Safe and Qualified Material, If you are not satisfied with the heating pants, please contact us We will Solve the problem quickly within 24 business hours.