Heated socks are socks that have electrical heating elements built into them, usually in the toes and arch areas, that are powered by a battery pack. They're often made of moisture-wicking materials to keep your feet dry and comfortable.
Consider the following factors when choosing heated socks: the temperature range in which you'll be using them, the battery life and how long you need them to last, the size and fit of the socks, and any special features, such as arch support or waterproof construction, that you may need.
Heated socks can provide numerous benefits, including: improved circulation, which can help relieve pain and discomfort; increased warmth, which can help prevent frostbite and hypothermia; and reduced risk of injury, as warm feet are less likely to be injured.
Proper care will help extend the life of your heated socks: hand wash or machine wash them in a mild detergent, air dry or tumble dry on low heat, and store them in a cool, dry place when not in use.