Keep your feet warm with the HALO HEATED SOCK heated socks from Sportchief. Designed to provide comfort and warmth, these rechargeable socks are perfect for winter activities or any situation requiring extra warmth. Made from 100% polyester, they are lightweight, durable and hard-wearing. Thanks to their 3 heat intensity levels, you can adjust the temperature according to your needs, for a constant and pleasant feeling of warmth, even on the coldest days.