When you want to convince your sorcerers-in-training to take their shoes off in the house, these girls and boys Heat Holders Harry Potter Thermal Socks could do the trick! With a cute cartoon Harry Potter badge on the leg and anti-slip lightning bolt motif treads on the soles, these home socks will keep young spell casters snug and safe around the home. So how do Heat Holders conjure up the heat? Well, that’s down to the long, intensely brushed Heat Holders long loop pile, whipped up to create a cuff to toe bed of soft fibres inside that trap warm air, holding the heat close to feet like magic – Only a wizard could keep your feet warmer!