Keep legs warm on the coldest of days and pull on this pair of Heat Holders tights, the ultimate thermal tight. Heat Holders are made from a specially developed Advanced insulated yarn which has extreme thermal qualities. With comfort gusset, these thermal tights will help keep legs fully comfortable and supported. The inside of each sock has been intensively brushed that not only feels sensationally soft but also traps warm air close to the skin keeping your legs warmer for longer.