Mens Electric Heated Thermal Underwear, Winter Warm Base Layer Top & Bottom, Adjustable Temperature, for Sports Running

Specification: Material: Cotton+Velvet Color: black Size: M,L,XL,2XL,3XL，4XL Temperature range: 38℃-48℃ Power interface: USB Voltage: 5.0V Applicable crowd: men Suitable season: autumn and winter Function: keep warm, windproof, prevent cold Package Included: 1 * heated underwear(Power bank not included) Instructions for use: Connect the power bank, long press the switch button, start heating. Tips: * The usage time depends on the size of the charging capacity. * Due to different monitors, please allow a little color difference. Please refer to the actual product. * The dimensions are all measured by hand, The measurement will have an error of 1-3cm.

• 【Breathable Stretchy Fabric】Thermal underwear is made of 95% cotton and 5% spandex fabric that is very soft and lightweight. With fine sewing process, the long johns are securely stitched and not easy to get loose or pilling.Designed for extended reuse in cold weather.
• 【USB Safely Heating】Built-in carbon fiber heating sheet, 3 seconds fast heating. Three-speed adjustment with one-button switching. Long press for three seconds to open or close, red light temperature is about 48°C, blue light is 42°C and green light is 38°C.Note: There is no power bank!
• 【Moisture Wicking】Thermals underwear top and bottom set is made of moisture wicking and breathable fabric, with the lightweight thermal underwear men moisture transport system, wick away sweat fast to keep you dry and light, easily keep away from the clammy feeling, all the while, insulating from the cold. So you can wear them to relax outdoors or exercise at any time.
• 【Outdoor Indoor Wear】Long sleeve base layer is not only suitable to wear at home or as a pajama, but also perfectly for outdoor activities like hiking, dog walking, skiing, jogging, cycling, camping, ekiing, etc.Wear this set under your clothes to stay warm and comfortable in cold climates or inclement weather.
• 【Washing Instructions】 Machine washable/hand wash. If it is machine wash, please put the clothes into the laundry bag to wash. To ensure the service life of the clothes, try to avoid strong washing and dry normally. Rinse it with clean water after washing.Do not wring it out. Hang dry it naturally.(Please refer to Size Chart in the picture, choose the clothes that suit you best according to your own size, and choose a larger size if you are obese or prefer loose.)