Heat Holders Boys Batman SocksThese Batman socks are the perfect gift for any child who is a fan of the comic or film. These socks are made from Heat Holders Yarn, a specially developed thermal yarn that provides high performance insulation against cold with superior moisture breathing abilities.The same warmth and comfort as the Kids Original Heat Holders tube sock, but with non-slip grippers on the bottom to provide better traction on indoor wood or tiled surfaces. Slipper socks are not recommended for use in shoes or boots. <brThick, chunky and with a massive tog rating of 2.34, Heat Holders are made from a specially developed heavy bulk yarn which has extreme thermal qualities. With long pile cushioning, these thermal socks will help keep feet 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 feet warmer for longer. Extra Product Details - Boys Batman Slipper Socks - Batman Comic Film Socks - Childrens Socks - Non Slip Grip - Official Licensed - Warm Bed Socks