Stay warm and cozy this winter with ThermalTech, the first solar-powered smart jacket. Attracting and harnessing the power of the sun, this jacket is made with a special fabric that absorbs heat. Additionally, the ThermalTech Smart Jacket captures energy from artificial light sources and it also uses your natural body heat when the sun goes down all to keep you nice and toasty no matter how cold it is. Working 25% more effectively than standard jacket insulation, this jacket is light and flexible and ideal for any daily winter activities as it doesn’t add any bulk. The fabric is made of a stainless steel yarn mixture so the ThermalTech Smart Jacket will last winter after winter, keeping you warm.