Heat Holders Ladies Wonder Woman Novelty Warm Non Slip Thermal Slipper Socks with Grips Keep feet warm, protected and supported around the home in a pair of Heat Holders slipper socks for ladies. They have the extreme warmth and comfort of the original Heat Holders; but also feature special non-slip grips on their soles, to prevent slipping on surfaces such as laminate or wooden panels. These thermal socks are designed to keep you comfortable and warm come evening time. This specialised dual layer technology means that the socks reach an officially measured 2.3 TOG rating. This is 7X Warmer than a regular cotton sock. This means these socks are proven to be more effective than an original Heat Holder. The inner lining is intensively brushed to make a soft and comfortable layer so that its long fibres can retain more body warmth. These socks feature one of DC\'s most popular characters; Wonder Woman. These socks will make the perfect present for the biggest of Marvel / Captain America fans, or even an amazing treat for your own feet. These socks are available in size 4-8 UK for ladies. They are machine washable. Extra Product Details - 1 Pair - 4-8 UK - Wonder Woman design - Non-Slip Grips - 2.3 TOG - Heat Holders Yarn - Machine Washable