Insole Warmers - Small UK UK 4-6 EU 37-39

Our warmers are activated upon exposure to Oxygen. Once your warmer has been activated, slip it into your shoes and it will keep your feet warm for up to 10 hours. Perfect for those long days being out in the cold at work or play. 100% Natural oxidation Simple, clever and 100% natural chemical reactions are the key to our warmers.