Specifications:Name: Heated Thermal UnderwearCondition: brand newColor: black, grayGender: women and menMaterial: 95% polyester + 5% elastaneSize: S, M, L, XL, 2XL, 3XLSeason: autumn, winterPackage includes:1 x Heated Pants (Note: Powerbank not included)How to use:Charging - Fully charge the power bank before use.Plug-in type - connects the power bank to a plug in the pocket.Hold the switch for 3 seconds. The starting temperature is 55 ℃ - 65 ℃ (red LED), the intermediate temperature is 45 ℃ - 55 ℃ (blue LED) and the lowest is 38 ℃ - 45 ℃ (green LED).Cleaning:Machine and hand washable. Remove the power bank when washing.For machine wash, please wash in a laundry bag and select a gentle cycle.To ensure the longevity of the clothes, avoid heavy washing and normal drying.