Size 2X/3X (Men's 12.5+)

• Heats both the top and bottom of your foot
• Microwire heating elements deliver evenly distributed heat
• Lifetime warranty on the heating elements
• Moisture-wicking Fabric
• Special long cut pulls over your calf to fit any boot or shoe
• Touch-Button Temperature Control
• Estimated Heating Times:
• High (Red): 140F - 3 Hours
• Medium (White): 120F - 5 Hours
• Low (Blue): 100F 7 - Hours
• 7V Dual Charger
• Includes:
• Two 7V Sock Liners
• Two 7V 2,200 mAh Batteries