Ladies Thermal Heat Holders TightsThese tights are the only choice for a reliable ultimate thermal performance. These super warm, super cosy Heat Holder thermal tights have everything covered when it comes to keeping you nice and warm in the coldest of times - allowing you to wear a skirt even if it's cold outside. With their expertly brushed soft inside, they are able to hold the maximum amount of warm air held close to the skin - providing the most warmth. Another amazing feature of these tights is that they are made from an advanced insulating yarn, that provides high performance insulation against the cold. They also have a feature which improves fit and adds comfort for all - day wear. They also have a massive tog rating of 0.52! What is a TOG rating? Well, TOG is a recognised measure of a textile’s thermal ability. Simply put, the higher the TOG rating, the better a products is able to keep you warm.Product Details - Thick, warm and comfortable. - Expert brushed teaching. - Advanced insulating yarn. - 0.52 TOG. - High tolerance to the cold. - Heat Holder product. - sizes XS-L - Available in; Black, Navy and Purple.