【Overall Heating Design】 These heated socks are designed to heat the entire foot, including the toes, soles, and insteps. They use improved heating wires to wrap the entire foot in warmth. Suitable for outdoor activities and everyday use in cold seasons. 【Temperature Control & App Support】 Temperature can be adjusted via the button on the socks or through a smartphone app. You can switch temperatures, check the operating status, and set timers for customized use. 【Material and Washable】 Made with approximately 90% cotton and 10% nylon, balancing breathability and heat retention. The stitching is thicker at the toes and soles for comfortable long-term wear. The socks are washable (after removing the battery) and can be machine-washed using the included laundry net. 【Temperature Levels & Battery】 Features 4 temperature settings, allowing you to adjust according to your needs. The batteries are Type-C compatible and two are included. The design conforms to the shape of the leg for a comfortable fit. 【Size】 Made with stretchy material, suitable for approximately 23-27cm (Japanese shoe size). Unisex, suitable for commuting, outdoor work, and various outdoor activities. S1197 $$5444