Features:*Safe and Reliable: The heating of the electric heating socks is made of insulating material and has been strictly tested to heat up safely and your feet in cold winter.* EASY TO USE: These socks are easy to use. Insert the battery, put it in the battery bag, and buckle it. Long press to control the switch, according to the weather conditions, short press to control the temperature. It's very friendly for seniors.*Upgraded Pocket Cover: The battery pocket adds a button design to prevent the battery from falling out during activities.* Wide range of uses: The electric heating socks are made of high-quality composite fibers, which are soft and breathable. It is suitable for various outdoor activities such as mountaineering, skiing, cycling, and camping.* Ideal Gift for Winter: In the cold winter, these heated socks are very suitable as a birthday or Christmas gift for your parents, lovers, friends, , especially those who often work outdoors. This gift will bring warmth to their winter and enhance your relationship.Notice:*Actual color may be slightly different from the image due to different light effect*Please allow 1-3cm deviation due to manual measurement:Material: composite fiberSize: As shownBattery: AA Batteries Powered (Not include) Winter Self-heating Socks For Women Men Battery Powered Heating Sockings High Elastic Anti-slip Ski Sock