Slät heltäckande vinter strumpbyxa, varm, 150 DEN. 94% polyamid, 6% elastan 3D Cecilia de Rafael is launching a new productline of thermal tights HEAT. Through processing a yarn made of coffee charcoal, we can now present a new, revolutionary yarn: The NILIT - fibre HEAT; it maintains the body temperature up to 10 degrees, with regard to the exterior temperature.