Unopened New Item Fieldsheer Heated Socks Battery Rechargeable Merino Wool XL Keeps your feet warm, perfect for winter leisure, outdoor activities, and outdoor work. Specially designed for cold regions, allowing you to stay warm and comfortable in any weather. 3-level temperature adjustment allows for use in various environments. Includes a remote control for power on/off and temperature settings. Rechargeable for repeated use, making it economical. Machine washable for frequent use. Size XL Men's 10-13 (28.5-31.5cm) Women's 11-14 (28-31cm) You can adjust the heat level to three different settings to suit the environment and climate.