Powerlet Atomic Skin - Microclimate H1 Glove Liner w/ 5 Position Controller Carbon Nanocore panels incorporated in these liners were designed specifically for the hands. Using Far Infrared Rays,a safe slice of the energy spectrum between visible light and microwaves, is harnessed to provide warmth that surrounds the hands. A Velcro closure keeps the glove securely in place and the warmth next to your hand. Independent third party testing has shown many times that these glove liners will keep your hands more comfortable than any other heated glove or glove liner. Powerlet offers the most complete, expertly engineered, interconnects and appliances. This enables our customers to enjoy a lifestyle utilizing convenient modern electronics.