91% Polyester, 9% Elastane Thick and warm, giving you the most protection against the cold and also providing a comfortable fit. They have a massive Tog rating of 0.52! Which means they're extra warm for the coldest of days. Expertly brushed inner giving them the ultimate soft and loveliest of feelings when worn. It also gives you the most comfortable of fits, combined with their new and improved better fit. Available in a range of colours and sizes, including Black, Navy and Purple. They range in sizes XS-L so no reason for missing out on these quality tights. Ladies Thermal Heat Holders Tights These 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 S-XL - Available in black, navy, brown and purple.