<b>GLOBAL VASION Heated Scoks Winter Electric Rechargeable 3 Heating Settings Thermal Sock for Men and Women Large Size</b> <br>Heating elements made of carbon fiber which provides excellent durability and safety standards. <br>To keep you warm and comfortable all day ,perfect for hiking, hunting, ice fishing, outdoor in the cold weather . <br> <br><b>Adjustable 3 Levels Temperature Settings</b> <br>High(Red),Medium(Orange) and Low(Green) - 3 temperatures in High for heat up immediately and 3 temperatures in Low to make you feel fine. <br> <br><b>Soft and Stretchy knitted material</b> <br>Padded reinforced heel & toe, and recessed heating element help focus heat in the toe to keep your feet from getting cold. <br> <br><b>Optimal moisture transportation,breathable material keep feet dry</b> <br>Good for blood circulation, keep you warm and comfortable all day,perfect for hiking, hunting, ice fishing, outdoor in the cold weather . <br> <br><b>Note:</b> Please charge the two batteries fully before first use . </b>