If you're looking for a great value for money kids' thermal sock, these Heat Holders Kids 4 Pack Emoji Slipper Socks are just what you need! They come in an array of adorable emoji designs, so your kids can show off their favourite characters. With a massive tog rating of 2.34 they are the warmest thermal sock - 7X warmer than the ordinary cotton sock (0.33 tog)! These seriously chunky and warm slipper socks are made with a specifically developed extra heavy bulk yarn with extreme thermal qualities and moisture wicking abilities. Their long looped thermal pile created with innovative knitting technology produces the unique extra long looped cushion pile to hold in more warm air - increasing the thermal tog rating even more. They also have a super-soft brushed inner which maximises the amount of warm air held to the skin for all-day warmth and comfort. Not only are these socks super warm and cosy but they also include non-slip gripper emoji patterns on the bottom of the foot, making sure that they don’t slip and fall while running around the house! These socks come in a 4 pair pack and are available in 2 sizes for children: 9-12 UK and 12-3 UK. There are 4 emoji styled colours available with angel face, heart face, poo emoji and sunglasses face. They are made from 91% Acrylic, 5% Nylon, 3% Polyester, 1% Elastane and are Machine Washable.